SOCIAL MEDIA POINT
MDCAT Logical Reasoning Preparation 2026 — 300 MCQs
CHAPTER 1 — CRITICAL THINKING
Evaluate arguments, evidence, assumptions, inferences, bias and logical strength.
Q1.A student says, “I scored well in Biology after studying with flashcards, so flashcards are the best method for every student.” What is the main weakness in this argument?
Q2.All students who revise regularly tend to remember information better. Ali revises regularly. What can reasonably be inferred?
Q3.A college introduces morning classes because it believes students are more attentive in the morning. Which assumption is necessary?
Q4.“Students should practice MCQs every day because regular practice improves speed.” Which statement strengthens the argument?
Q5.“Online learning is better than classroom learning because it is flexible.” Which statement weakens this argument?
Q6.If every successful candidate prepared systematically, which conclusion is most reasonable?
Q7.A hospital reports fewer infections after introducing handwashing stations. Which conclusion is best supported?
Q8.A person claims, “The road was wet, therefore it must have rained.” What is the logical problem?
Q9.Which statement is an inference?
Q10.A newspaper claims that a new study method guarantees higher marks for every student. What should a critical thinker ask first?
Q11.“Most doctors recommend exercise. Therefore, every person who exercises will become a doctor.” This is:
Q12.A candidate says, “I failed once, so I will always fail.” What is the error?
Q13.Which question best evaluates an argument?
Q14.“Students should sleep adequately before exams because tired students have difficulty concentrating.” Which assumption is required?
Q15.A researcher finds that students who drink water during study sessions perform better. What additional information would strengthen the claim that water caused the improvement?
Q16.Which statement contains a cause-and-effect assumption?
Q17.A student argues, “Everyone in my class uses this website, so it must contain accurate information.” What is the weakness?
Q18.Which is the strongest evidence for a scientific claim?
Q19.A statement is true because it is supported by reliable evidence. This is an example of:
Q20.“People who exercise regularly are healthier. Ahmed is healthy, therefore Ahmed exercises regularly.” What is wrong?
Q21.Which statement is most objective?
Q22.A candidate chooses an answer because it “looks familiar.” This is:
Q23.Which conclusion follows from: “All laboratory workers wear protective gloves”?
Q24.If a conclusion depends on an unstated belief, that belief is called:
Q25.A company claims its product is effective because thousands of people bought it. This argument relies mainly on:
Q26.Which statement best demonstrates critical thinking?
Q27.A student says, “This medicine helped my headache, so it must cure all headaches.” The error is:
Q28.Which evidence would most strongly support a claim that a medicine reduces fever?
Q29.A conclusion that necessarily follows from given facts is called:
Q30.Which statement is an opinion?
Q31.A candidate argues that a difficult question must have a difficult answer. This assumption is:
Q32.Which question is most useful when evaluating a source?
Q33.“Students who attend tutoring sessions score higher.” Which fact would weaken the conclusion that tutoring causes higher scores?
Q34.A good argument should contain:
Q35.Which is an example of circular reasoning?
Q36.A candidate rejects a correct answer only because another student chose it. This is:
Q37.Which statement represents a reasonable inference?
Q38.A person says, “Either you agree with my plan or you do not care about students.” This is an example of:
Q39.Which statement is most likely to be biased?
Q40.Why is correlation alone insufficient to prove causation?
Q41.A doctor examines several symptoms before making a diagnosis. This demonstrates:
Q42.Which statement best weakens an argument?
Q43.A conclusion based on insufficient evidence is called:
Q44.Which statement is most logically cautious?
Q45.If an argument's conclusion is supported by relevant evidence, the argument is:
Q46.Which is the best way to test an assumption?
Q47.A student says, “The test was hard because everyone found it difficult.” This reasoning is:
Q48.Which statement is strongest?
Q49.A critical thinker should distinguish between:
Q50.The main purpose of critical thinking is to:
CHAPTER 2 — LETTER AND SYMBOL SERIES
Identify patterns in numbers, letters, symbols and coding.
Q51.Find the next term: 2, 4, 6, 8, ?
Q52.Find the next term: 3, 6, 12, 24, ?
Q53.Find the next letter: A, C, E, G, ?
Q54.Find the next letter: B, E, H, K, ?
Q55.Find the next number: 5, 10, 15, 20, ?
Q56.Find the next term: 1, 4, 9, 16, ?
Q57.Find the next term: 1, 8, 27, 64, ?
Q58.Find the next letter: A, D, G, J, ?
Q59.Find the next letter: Z, X, V, T, ?
Q60.Find the next number: 2, 6, 12, 20, ?
Q61.If A = 1, B = 2, C = 3, what is the value of CAT?
Q62.If A = 1, B = 2, C = 3, what is the value of DOG?
Q63.If A = 2, B = 4, C = 6, then D = ?
Q64.Complete the series: AB, CD, EF, GH, ?
Q65.Complete the series: AZ, BY, CX, DW, ?
Q66.Find the missing number: 4, 8, 16, 32, ?
Q67.Find the next number: 81, 27, 9, 3, ?
Q68.Find the next term: 10, 20, 40, 80, ?
Q69.Find the next letter: C, F, I, L, ?
Q70.Find the next letter: Y, V, S, P, ?
Q71.Find the missing term: 2, 5, 10, 17, 26, ?
Q72.Find the next term: 1, 1, 2, 3, 5, ?
Q73.Find the next number: 100, 90, 80, 70, ?
Q74.Find the next letter: A, B, D, G, K, ?
Q75.Find the next number: 3, 9, 27, 81, ?
Q76.If BAT = 23 using alphabet positions, then DOG = ?
Q77.If each letter is shifted one position forward, CAT becomes:
Q78.If each letter is shifted one position backward, DOG becomes:
Q79.Find the next term: 7, 14, 28, 56, ?
Q80.Find the next number: 64, 32, 16, 8, ?
Q81.Find the next letter: D, H, L, P, ?
Q82.Find the next letter: B, F, J, N, ?
Q83.Find the missing number: 6, 11, 16, 21, ?
Q84.Find the next number: 1, 3, 6, 10, 15, ?
Q85.Find the next term: 2, 3, 5, 7, 11, ?
Q86.Find the next letter: P, N, L, J, ?
Q87.Find the next number: 4, 7, 13, 25, ?
Q88.Find the next number: 2, 4, 8, 16, 32, ?
Q89.Find the next letter: A, E, I, M, ?
Q90.Find the next letter: Z, W, T, Q, ?
Q91.Find the missing term: 9, 18, 36, 72, ?
Q92.Find the next number: 121, 100, 81, 64, ?
Q93.If A = 1 and Z = 26, what is the value of BAD?
Q94.If A = 1 and Z = 26, what is the value of MED?
Q95.Complete: AA, BB, CC, DD, ?
Q96.Complete: AB, BC, CD, DE, ?
Q97.Find the next number: 2, 6, 18, 54, ?
Q98.Find the next number: 50, 45, 40, 35, ?
Q99.Find the next letter: C, G, K, O, ?
Q100.Find the next term: 1, 2, 4, 7, 11, ?
CHAPTER 3 — LOGICAL DEDUCTION
Draw conclusions that necessarily follow from stated premises.
Q101.All doctors are educated. Ahmed is a doctor. Therefore:
Q102.All nurses are trained. Sara is a nurse. Therefore:
Q103.All birds have wings. A sparrow is a bird. Therefore:
Q104.No reptiles are mammals. A snake is a reptile. Therefore:
Q105.Some students are athletes. Which conclusion is definitely true?
Q106.All roses are flowers. Some flowers are red. Which conclusion follows?
Q107.No cats are dogs. Tommy is a cat. Therefore:
Q108.All books in the library are numbered. This book is in the library. Therefore:
Q109.Some doctors are researchers. All researchers are graduates. Therefore:
Q110.All engineers are graduates. Some graduates are teachers. Which is certain?
Q111.No fish are mammals. Dolphins are mammals. Therefore:
Q112.All A are B. All B are C. Therefore:
Q113.All students who pass the test studied. Ali passed the test. Therefore:
Q114.Some books are expensive. All expensive books are valuable. Therefore:
Q115.All mammals breathe air. Humans are mammals. Therefore:
Q116.No honest person cheats. Ali is honest. Therefore:
Q117.All metals conduct electricity. Copper is a metal. Therefore:
Q118.Some teachers are writers. All writers read books. Therefore:
Q119.All surgeons are doctors. No doctors are untrained. Therefore:
Q120.All P are Q. No Q are R. Therefore:
Q121.Some A are B. Some B are C. What must be true?
Q122.All nurses are healthcare workers. No healthcare workers are robots. Therefore:
Q123.All students in Class A passed. Hamza is in Class A. Therefore:
Q124.Some scientists are teachers. All teachers are educated. Therefore:
Q125.No birds are mammals. All bats are mammals. Therefore:
Q126.All A are B. Some B are C. Which is definitely true?
Q127.All doctors are professionals. All professionals follow ethical standards. Therefore:
Q128.Some students are athletes. All athletes exercise regularly. Therefore:
Q129.No X are Y. Some Z are X. Therefore:
Q130.All cars have wheels. This vehicle has no wheels. Therefore:
Q131.All books are useful. Some useful things are expensive. What follows?
Q132.Some doctors are researchers. Some researchers are teachers. Which is certain?
Q133.All fruits contain nutrients. Apples are fruits. Therefore:
Q134.No students are careless. Ali is a student. Therefore:
Q135.All successful candidates are prepared. Ahmed is not prepared. Therefore:
Q136.All P are Q. Some P exist. Therefore:
Q137.No A are B. Some A exist. Therefore:
Q138.All teachers are educated. Some teachers are researchers. Therefore:
Q139.All mammals are warm-blooded. Whales are mammals. Therefore:
Q140.No metal is transparent. Copper is a metal. Therefore:
Q141.Some nurses are teachers. All teachers are graduates. Therefore:
Q142.All A are B. All B are C. No C are D. Therefore:
Q143.Some books are novels. All novels are literature. Therefore:
Q144.All students need identification cards. Sara is a student. Therefore:
Q145.No doctors are careless. Some surgeons are doctors. Therefore:
Q146.All computers require power. This device does not require power. Therefore:
Q147.Some A are B. No B are C. Therefore:
Q148.All pharmacists are trained. Some pharmacists are researchers. Therefore:
Q149.All nurses wear uniforms. Some hospital workers are nurses. Therefore:
Q150.All logical arguments require premises. This argument is logical. Therefore:
CHAPTER 4 — LOGICAL PROBLEMS
Solve direction, relationship, ordering, time, arithmetic and classification problems.
Q151.Ali walks 5 meters north and then 5 meters east. In which direction is he from his starting point?
Q152.Sara walks 10 meters south and then 10 meters west. She is now:
Q153.A is the brother of B. B is the sister of C. What is A to C?
Q154.Ahmed is the son of Fatima. Fatima is the daughter of Ali. What is Ali to Ahmed?
Q155.A woman says, “He is the son of my mother's only daughter.” Who is the boy?
Q156.If A is taller than B and B is taller than C, who is tallest?
Q157.Five students A, B, C, D and E stand in a line. A is before B, B is before C, and C is before D. Who must be before D?
Q158.If Monday is coded as 1, Tuesday as 2, Wednesday as 3, what is Friday?
Q159.A person faces north and turns right. Which direction does he face?
Q160.A person faces east and turns left. Which direction does he face?
Q161.A is older than B. C is older than A. Who is youngest?
Q162.If today is Wednesday, what day will it be after 10 days?
Q163.Three people stand in a queue. Ali is ahead of Bilal, and Bilal is ahead of Hamza. Who is last?
Q164.If the letters of MEDICAL are arranged alphabetically, which letter comes first?
Q165.Which number does not belong? 2, 4, 6, 9, 10
Q166.A clock shows 3:00. The minute hand points to:
Q167.If 5 pens cost Rs. 100, what is the cost of one pen?
Q168.If 3 students complete a task in 6 hours at the same rate, which statement is reasonable?
Q169.A is to the left of B. C is to the right of B. Who is in the middle?
Q170.Four books are arranged from left to right. Biology is left of Chemistry, and Chemistry is left of Physics. Which statement must be true?
Q171.If P is heavier than Q and R is lighter than Q, who is heaviest?
Q172.A family has two parents and three children. How many people are there?
Q173.If 1 January is Monday, what day is 8 January?
Q174.A person walks east, then north, then west. Relative to the starting point, the person is:
Q175.If A sits between B and C, which arrangement is possible?
Q176.Five people A, B, C, D and E stand in order. If C is third, which position does C occupy?
Q177.A father is 30 years older than his son. If the son is 10, the father is:
Q178.If 12 workers complete a task in 5 days, which change would generally increase the time needed, assuming equal productivity?
Q179.A person faces south and turns left. Which direction does he face?
Q180.If all squares are rectangles and this shape is a square, then it is:
Q181.A is younger than B. B is younger than C. Which statement is true?
Q182.A person travels 4 km north and then 3 km east. The shortest distance from the starting point is:
Q183.If 2 books cost Rs. 300, what do 6 books cost at the same rate?
Q184.Which is the odd one out?
Q185.Which is the odd one out?
Q186.If A comes immediately before B, which arrangement is correct?
Q187.Six students are arranged by height. Ali is taller than Bilal but shorter than Hamza. Who is taller than Ali?
Q188.If a number is divisible by 2, which must be true?
Q189.Which number completes the pattern: 5, 10, 20, 40, ?
Q190.If SOUTH is coded as T P V U I by shifting every letter one step forward, then NORTH becomes:
Q191.A person facing west turns right. He now faces:
Q192.A is the sister of B. B is the father of C. What is A to C?
Q193.If today is Friday, what day was it three days ago?
Q194.Which number is greatest?
Q195.If 4 machines produce 400 units, how many units does each machine produce equally?
Q196.A person moves north, then turns right, then turns right again. Which direction is he facing?
Q197.If A is second and B is fourth in a line, how many positions are between them?
Q198.Which comes next: Monday, Wednesday, Friday, ?
Q199.A box contains 3 red balls and 2 blue balls. How many balls are there?
Q200.If all five students receive one book each, how many books are required?
CHAPTER 5 — COURSE OF ACTION
Choose the most appropriate, practical and evidence-based response to a situation.
Q201.A school notices that many students arrive late. What is the best action?
Q202.A hospital experiences a shortage of essential medicines. What should management do first?
Q203.A university library has insufficient study space during examinations. What is the best action?
Q204.A water supply becomes contaminated. What should authorities do?
Q205.Many students are confused about an examination schedule. The best action is to:
Q206.A laboratory worker notices damaged safety equipment. What should be done?
Q207.A school bus frequently arrives late. What should management do?
Q208.A patient receives the wrong medicine due to a labeling error. What should the hospital do?
Q209.A classroom has poor ventilation. The best action is to:
Q210.A college receives repeated complaints about bullying. What is the best response?
Q211.A road becomes dangerous because of potholes. Authorities should:
Q212.Students complain that examination results contain errors. The institution should:
Q213.A hospital waiting area becomes overcrowded. The best action is to:
Q214.A school finds that many students are weak in mathematics. The best action is:
Q215.A public park contains large amounts of litter. Authorities should:
Q216.A computer laboratory has outdated software needed for teaching. The best action is:
Q217.A school discovers that some students do not have textbooks. The best action is:
Q218.A hospital receives several complaints about long waiting times. The best first step is:
Q219.A laboratory repeatedly records incorrect measurements. What should management do?
Q220.A school has frequent electricity interruptions during examinations. The best action is:
Q221.A student is suspected of cheating. What is the most appropriate action?
Q222.A hospital's emergency department becomes overcrowded. The best action is to:
Q223.A school notices increasing absenteeism. What should it do first?
Q224.A public website contains incorrect examination information. The responsible authority should:
Q225.A laboratory chemical container has no label. The best action is:
Q226.A school building develops structural cracks. The best action is:
Q227.A university receives evidence of plagiarism in an assignment. It should:
Q228.A village faces a shortage of clean drinking water. Authorities should:
Q229.A student repeatedly struggles with a subject despite attending classes. The best action is:
Q230.A clinic has insufficient emergency equipment. The best action is:
Q231.A road accident occurs at a dangerous intersection. Authorities should:
Q232.A school canteen is found to have poor hygiene. The best action is:
Q233.A university laboratory has insufficient fire extinguishers. The best action is:
Q234.A patient complains about a billing error. The hospital should:
Q235.A school finds that its examination room is too small for all candidates. The best action is:
Q236.A university discovers a security vulnerability in its online portal. The best action is:
Q237.A hospital notices that patients frequently misunderstand prescription instructions. What should it do?
Q238.A school has insufficient laboratory materials. The best action is:
Q239.A community reports increased mosquito breeding. Authorities should:
Q240.A teacher notices that several students cannot understand a topic. The best course is:
Q241.A hospital receives expired medicines. What should happen?
Q242.A college laboratory has repeated minor accidents. The best response is:
Q243.A school discovers that attendance records are inaccurate. The best action is:
Q244.A university receives complaints that a course outline is unclear. It should:
Q245.A public health campaign has low participation. The best action is:
Q246.A student loses an important academic document. The institution should:
Q247.A school experiences frequent water shortages. The best action is:
Q248.A clinic has long queues because registration is slow. The best action is:
Q249.A university finds that students are unaware of scholarship opportunities. The best action is:
Q250.A community faces repeated flooding. The best long-term action is:
CHAPTER 6 — CAUSE AND EFFECT
Identify the cause or effect described in each situation.
Q251.Heavy rainfall causes flooding in a low-lying area. What is the cause?
Q252.A student studied consistently and obtained high marks. Which is the likely cause?
Q253.A power failure caused the laboratory computers to shut down. What is the effect?
Q254.A road was closed because of an accident. What was the cause?
Q255.A student slept late and felt tired the next morning. What is the likely effect?
Q256.A shortage of water resulted in reduced crop production. What was the effect?
Q257.A patient took the prescribed medicine and the fever decreased. What is the likely effect?
Q258.Poor ventilation caused the classroom to become uncomfortable. The effect is:
Q259.A computer virus corrupted several files. What is the cause?
Q260.A student missed the bus and arrived late at school. What is the immediate cause of lateness?
Q261.A factory reduced production because of a shortage of raw materials. What is the effect?
Q262.Excessive rainfall damaged crops. Which is the cause?
Q263.A doctor treated an infection and the patient's symptoms improved. What is the effect?
Q264.A student practiced mathematics regularly and became faster at solving problems. The likely cause is:
Q265.The school introduced additional buses, so transportation delays decreased. What is the effect?
Q266.A sudden storm caused trees to fall. What is the cause?
Q267.A broken water pipe resulted in flooding inside a building. What is the effect?
Q268.A student did not revise before the test and performed poorly. What is the likely cause?
Q269.A hospital introduced an appointment system and waiting times decreased. What is the effect?
Q270.A road accident caused a traffic jam. What is the effect?
Q271.A rise in temperature caused ice to melt. What is the effect?
Q272.Lack of sleep reduced the student's concentration. What is the cause?
Q273.A machine stopped because its power supply failed. What is the cause?
Q274.A farmer used improved seeds and obtained a larger harvest. What is the effect?
Q275.A computer's storage became full, causing the system to slow down. What is the effect?
Q276.A student drank contaminated water and became ill. What is the likely cause?
Q277.A school increased security measures, resulting in fewer unauthorized entries. What is the effect?
Q278.A strong wind damaged the roof. What is the cause?
Q279.A lack of exercise contributed to poor physical fitness. What is the effect?
Q280.A laboratory sample was contaminated, making the test result unreliable. What is the effect?
Q281.A teacher explained the topic again, and students understood it better. What is the cause?
Q282.A shortage of fuel caused buses to operate less frequently. What is the effect?
Q283.Heavy traffic caused employees to arrive late. What is the cause?
Q284.A medicine caused an allergic reaction in a patient. What is the effect?
Q285.A student followed a study timetable and completed the syllabus on time. What is the effect?
Q286.A city planted more trees, which helped increase green space. What is the effect?
Q287.A pipe blockage prevented water from reaching the building. What is the cause?
Q288.A student revised vocabulary regularly and improved language performance. What is the likely effect?
Q289.A storm damaged electrical lines, resulting in a power outage. What is the effect?
Q290.A hospital improved sanitation, and infection rates declined. What is the likely cause?
Q291.A student ignored instructions and made several mistakes. What is the likely cause?
Q292.A company introduced training, and employee performance improved. What is the effect?
Q293.A river overflowed after continuous rainfall. What is the likely cause?
Q294.A student used a calculator incorrectly and obtained the wrong answer. What is the effect?
Q295.A laboratory refrigerator failed, causing biological samples to spoil. What is the effect?
Q296.A student became more confident after practicing presentations repeatedly. What is the likely cause?
Q297.A shortage of teachers resulted in larger classes. What is the effect?
Q298.A warning sign was installed, and the number of accidents decreased. What is the likely effect?
Q299.A power surge damaged laboratory equipment. What is the cause?
Q300.A student organized study materials properly and found information more quickly. What is the effect?
