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 6 of 26
- A. 20
- B. 21
- C. 22
- D. 23
Explanation: The pastry chef's rate is 12 cakes in 8 hours, which is 1.5 cakes per hour.
Correct answer: 21- A. 9
- B. 10
- C. 11
- D. 12
Explanation: To determine the number of days required, start by calculating the total hours needed to complete 40 brochures: 40 brochures × 2.5 hours…
Correct answer: 10- A. 8 days
- B. 9 days
- C. 9.5 days
- D. 10 days
Explanation: The team of 4 workers can finish the bridge in 10 days, so their daily work rate is 1/10.
Correct answer: 8 days104. A software update installs in 45 minutes. A new optimization improves time by 33%. How long now?
- A. 30
- B. 32
- C. 33
- D. 35
Explanation: The original installation time is 45 minutes. A 33% improvement means the installation time is reduced by 33% of 45 minutes.
Correct answer: 30- A. 9
- B. 10
- C. 11
- D. 12
Explanation: The original group of 6 painters can complete the wall in 15 hours, meaning half the work is done in 7.5 hours.
Correct answer: 12- A. 3.5
- B. 4
- C. 4.2
- D. 4.5
Explanation: Initially, the courier sorts 120 packages in 3 hours, at a rate of 40 packages per hour.
Correct answer: 4- A. 26
- B. 28
- C. 29
- D. 30
Explanation: The student originally completes the research paper in 20 hours. Losing 30% of their productive time means they only utilize 70% of their…
Correct answer: 30- A. 8 hours
- B. 8.5 hours
- C. 9 hours
- D. 9.5 hours
Explanation: The truck travels at 40 km/h on flat roads (240 km in 6 hours). On mountain roads, its speed is reduced by 25%, resulting in a speed of 30…
Correct answer: 9 hours- A. 7
- B. 7.5
- C. 8
- D. 8.5
Explanation: The task is originally planned to be completed in 6 evenings, with each evening contributing 1/6 of the total work.
Correct answer: 8- A. 8
- B. 9
- C. 10
- D. 11
Explanation: To solve this problem, calculate the time needed for each teaching method separately.
Correct answer: 8- A. 4
- B. 5
- C. 6
- D. 7
Explanation: To solve this problem, the tailor's output is 2 suits per day. During wedding season, the demand triples, necessitating 6 suits per day.
Correct answer: 5- A. 5
- B. 6
- C. 7.5
- D. 8
Explanation: The tailor alone completes 2 suits per day. With demand tripling, he needs to produce 6 suits per day.
Correct answer: 7.5- A. 9.6 hrs
- B. 10 hrs
- C. 10.5 hrs
- D. 11 hrs
Explanation: The original time taken to complete the editing is 12 hours. With the new software, the editing becomes 20% faster, meaning the time…
Correct answer: 9.6 hrs- A. 8.3
- B. 9
- C. 9.5
- D. 10
Explanation: Initially, the first workshop can produce 300 units in 15 days at a rate of 20 units per day.
Correct answer: 9- A. 50
- B. 55
- C. 60
- D. 70
Explanation: The photographer processes 20 photos per hour, translating to 1 photo every 3 minutes.
Correct answer: 55- A. 5
- B. 6
- C. 7.5
- D. 8
Explanation: Initially, the researcher reviews 40 papers in 10 days, equating to a pace of 4 papers per day.
Correct answer: 7.5- A. 18
- B. 20
- C. 22
- D. 24
Explanation: Initially, 3 programmers work for 10 hours, completing 30 hours of work.
Correct answer: 20- A. 12
- B. 13
- C. 14
- D. 15
Explanation: The original team of 5 people completes the mural in 10 days, equating to a work rate of 1/10 of the mural per day.
Correct answer: 14- A. 7
- B. 8
- C. 9
- D. 10
Explanation: The band rehearses 3 songs in 2 hours, so each song originally takes 2/3 hours.
Correct answer: 8- A. 3.2
- B. 3.4
- C. 3.6
- D. 4
Explanation: The first tractor can plow the field in 6 days, giving it a work rate of 1/6 of the field per day.
Correct answer: 3.6