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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519 questions · page 18 of 26

  • A. Uncle
  • B. Brother
  • C. Cousin
  • D. Father

Explanation: The statement 'His father is the only son of my grandfather' indicates that the brother of the man Mary is pointing to is her father, as…

Correct answer: Brother
  • A. 10
  • B. 11
  • C. 19
  • D. 20

Explanation: To find how many times the digit '9' appears between 1 and 100, we need to check both the units and tens places.

Correct answer: 19
  • A. 30
  • B. 32
  • C. 36
  • D. 40

Explanation: The series is made up of consecutive perfect squares: 12 = 1, 22 = 4, 32 = 9, 42 = 16, 52 = 25. The next number in the series is 62 = 36.

Correct answer: 36
  • A. Wheat
  • B. Barley
  • C. Rice
  • D. Apple

Explanation: The correct answer is 'Apple' because it is a fruit, whereas Wheat, Barley, and Rice are all types of grains or cereal crops.

Correct answer: Apple
  • A. MFAG
  • B. MFBG
  • C. MFGB
  • D. MGFB

Explanation: In the code, each letter in the word is shifted one position forward in the alphabet. TREE becomes USFF: T -> U, R -> S, E -> F, E -> F.

Correct answer: MFBG
  • A. 121
  • B. 225
  • C. 300
  • D. 256

Explanation: The correct answer is 300. All the other numbers in the set (121, 144, 169, 196, 225, 256) are perfect squares, which means they can be…

Correct answer: 300
  • A. 400
  • B. 450
  • C. 300
  • D. 500

Explanation: The correct answer is 400. To find the total score, multiply the batsman's average score by the number of innings: 40 x 10 = 400.

Correct answer: 400
  • A. BRRNG
  • B. BRSMF
  • C. BSQMF
  • D. BRTME

Explanation: To decode the word "APPLE" using the same pattern as "ORANGE" to "PSTQIH", examine each letter shift: 'O' to 'P' is +1, 'R' to 'S' is +1…

Correct answer: BRSMF
  • A. 4⁰
  • B. 3¹
  • C. 5⁻¹
  • D. 2²

Explanation: To find the smallest number, calculate each expression: 2² equals 4, 3¹ equals 3, 4⁰ equals 1, and 5⁻¹ equals 1/5 or 0.2.

Correct answer: 5⁻¹
  • A. 8
  • B. 9
  • C. 10
  • D. 11

Explanation: The code for a word is derived by summing the alphabetical positions of its letters.

Correct answer: 11
  • A. 10
  • B. 15
  • C. 20
  • D. 25

Explanation: To solve this, let's denote the son's current age as 'x'. According to the problem, the father's age is 4 times the son's age, so the…

Correct answer: 10
  • A. Shirt
  • B. Watch
  • C. Glove
  • D. Ring

Explanation: The correct answer is 'Glove'. Just as a shoe is specifically designed to cover and protect the foot, a glove is specifically designed to…

Correct answer: Glove
  • A. Inch
  • B. Kilogram
  • C. Centimeter
  • D. Meter

Explanation: The correct answer is Option B: Kilogram. Kilogram is the odd word out because it is a unit of mass, while the other options (Inch…

Correct answer: Kilogram
  • A. North
  • B. South
  • C. East
  • D. West

Explanation: The man starts facing West. A 90° clockwise turn from West points him North.

Correct answer: South
  • A. 24
  • B. 25
  • C. 27
  • D. 20

Explanation: To solve this problem, you need to convert each letter to its corresponding alphabet position (A=1, B=2, ..., Z=26).

Correct answer: 25
  • A. 36
  • B. 37
  • C. 38
  • D. 39

Explanation: The sequence is generated by adding consecutive odd numbers: 3, 5, 7, 9, 11.

Correct answer: 38
  • A. Time travel
  • B. Misprint
  • C. Born in BC
  • D. He's lying

Explanation: The correct answer is that the man was born in BC. This means he was born in 19 BC, making him 30 years old in 1990 AD and 18 years old in…

Correct answer: Born in BC
  • A. 625
  • B. 525
  • C. 225
  • D. 325

Explanation: The pattern observed in the sequence is that each number is the previous result multiplied by 5.

Correct answer: 625
  • A. EV
  • B. FU
  • C. GV
  • D. HU

Explanation: Left letters: A, B, C, D → next E. Right letters: Z, Y, X, W → next V. So, the next word is EV.

Correct answer: EV
  • A. 30
  • B. 37
  • C. 41
  • D. 45

Explanation: The pattern requires you to first add the two numbers, then add the product of the two numbers to the sum.

Correct answer: 41