Free Logical Problems MCQs with Answers
519 Logical Problems MCQs from Analytical and Logical Reasoning, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Logical problems present several conditions about people, objects, events or choices and require their possible arrangements to be tested. They cover constraint-based reasoning, rankings, matching, grouping, scheduling and elimination, with attention to the difference between a complete solution and a possibility that merely satisfies one condition.
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Read the Logical Problems notesFree MDCAT chapter notes with key terms519 questions · page 1 of 26
- A. 45 degrees
- B. 60 degrees
- C. 90 degrees
- D. 120 degrees
Explanation: Each hour mark is 30 degrees apart, since 360 divided by 12 is 30, and at three o'clock the hands are three marks apart, giving 90…
Correct answer: 90 degrees- A. Thursday
- B. Friday
- C. Saturday
- D. Sunday
Explanation: Dividing 100 by 7 gives 14 weeks with a remainder of 2, so the day advances by two from Wednesday to Friday.
Correct answer: Friday- A. 20 years
- B. 22 years
- C. 24 years
- D. 26 years
Explanation: Let the son be x, so the father is x plus 24, and in two years x plus 26 equals twice x plus 2, that is 2x plus 4.
Correct answer: 22 years- A. Rs. 192
- B. Rs. 200
- C. Rs. 220
- D. Rs. 288
Explanation: The selling price is 120 per cent of the cost, so the cost is 240 multiplied by 100 and divided by 120, giving Rs. 200.
Correct answer: Rs. 200- A. 10 days
- B. 14 days
- C. 12 days
- D. 15 days
Explanation: The total work is 5 multiplied by 12, that is 60 worker days, and dividing by 6 workers gives 10 days.
Correct answer: 10 days- A. 4 seconds
- B. 6 seconds
- C. 10 seconds
- D. 15 seconds
Explanation: Converting 90 km per hour by multiplying by 5 and dividing by 18 gives 25 m per second, and 150 divided by 25 is 6 seconds.
Correct answer: 6 seconds- A. 12
- B. 14
- C. 10
- D. 8
Explanation: The original total is 5 multiplied by 20, that is 100, and the remaining four total 4 multiplied by 22, which is 88, so the removed number…
Correct answer: 12- A. 5
- B. 10
- C. 15
- D. 20
Explanation: By the inclusion exclusion principle, 25 plus 20 minus both equals 40, so both equals 5.
Correct answer: 5- A. 8 hours
- B. 12 hours
- C. 6 hours
- D. 18 hours
Explanation: In one hour the filling pipe adds one sixth and the emptying pipe removes one twelfth, giving a net gain of one twelfth per hour, so the…
Correct answer: 12 hours- A. 36
- B. 40
- C. 42
- D. 44
Explanation: The differences are 4, 6, 8 and 10, rising by two each time, so the next difference is 12 and the next term is 42.
Correct answer: 42- A. no change
- B. a 1 per cent decrease
- C. a 1 per cent increase
- D. a 10 per cent decrease
Explanation: Starting at 100, a 10 per cent rise gives 110, and a 10 per cent fall on 110 removes 11, leaving 99, so the net change is a loss of 1 per…
Correct answer: a 1 per cent decrease- A. 10 per cent
- B. 15 per cent
- C. 20 per cent
- D. 25 per cent
Explanation: Doubling means the interest earned equals the principal, so 100 per cent is earned over 5 years, which is 20 per cent each year.
Correct answer: 20 per cent- A. 10
- B. 11
- C. 12
- D. 13
Explanation: The minute hand gains a full lap on the hour hand 11 times in 12 hours, so they coincide 11 times rather than 12.
Correct answer: 11- A. 0.4
- B. 0.6
- C. 0.25
- D. 0.5
Explanation: There are 4 favourable outcomes out of 10 equally likely ones, so the probability is 4 over 10, that is 0.4.
Correct answer: 0.4- A. 5 days
- B. 6 days
- C. 12.5 days
- D. 25 days
Explanation: In one day A does one tenth and B one fifteenth, and the sum is one sixth, so together they finish in 6 days.
Correct answer: 6 days- A. 10 years
- B. 15 years
- C. 20 years
- D. 12 years
Explanation: Let the son be x and the father 3x, so five years ago 3x minus 5 equals four times x minus 5, giving 3x minus 5 equals 4x minus 20 and x…
Correct answer: 15 years- A. 45
- B. 50
- C. 40
- D. 60
Explanation: Three parts correspond to 30 boys, so one part is 10 and the two parts of girls are 20, giving 50 students in total.
Correct answer: 5018. A student scores 60, 70 and 80 in three tests. What must be scored in a fourth test to average 75?
- A. 85
- B. 90
- C. 95
- D. 80
Explanation: An average of 75 over four tests needs a total of 300, and the first three sum to 210, so the fourth must be 90.
Correct answer: 90- A. Monday
- B. Tuesday
- C. Wednesday
- D. Thursday
Explanation: April has 30 days, so 1 May is 16 days after 15 April, and 16 divided by 7 leaves a remainder of 2, moving the day forward from Monday to…
Correct answer: Wednesday- A. 45 km per hour
- B. 40 km per hour
- C. 50 km per hour
- D. 35 km per hour
Explanation: The outward leg takes 2 hours and the return 1 hour, so the total is 120 km in 3 hours, giving 40 km per hour.
Correct answer: 40 km per hourLogical Problems MCQs: common questions
Are these Logical Problems MCQs free?
Yes. All Logical Problems MCQs from Analytical and Logical Reasoning are free on TestUstad, with unlimited attempts and no account needed. Nothing on this page is a sample or a trial.
How many Logical Problems MCQs are on this page?
There are 519 Logical Problems MCQs in the Analytical and Logical Reasoning bank, shown 20 to a page with the correct answer and an explanation on each.
Does every Logical Problems MCQ have an explanation?
Yes. Each Logical Problems question shows the correct option and a written explanation of why it is correct, so a wrong answer teaches you something rather than just being marked wrong.
Can I take a timed Logical Problems test?
Yes. The practice button on this page starts a free Logical Problems test drawn from the Analytical and Logical Reasoning bank. It marks each answer instantly, gives you a score at the end, and can be retaken as many times as you like.