Choose the number which is different from others in the group: Option 1: 11 Option 2: 13 Option 3: 15 Option 4: 17

Answer: 15. Solution: Examining the properties of each number: 11: This is a prime number (only divisible by 1 and itself) 13: This is a prime number (only divisible by 1 and itself) 15: This is a composite number 15 = 3 x 5 17: This is a prime number (only divisible by 1 and itself) The numbers 11, 13, and 17 are all prime numbers. The number 15 is the only composite number in the group, as it has factors other than 1 and itself. Therefore, 15 is different from the others.

Logical Reasoning

Odd One Out

Medium

Choose the number which is different from others in the group:

✅ Correct Option: 3

Examining the properties of each number:

11: This is a prime number (only divisible by 1 and itself)

13: This is a prime number (only divisible by 1 and itself)

15: This is a composite number

$15 = 3 \times 5$

17: This is a prime number (only divisible by 1 and itself)

The numbers 11, 13, and 17 are all prime numbers.

The number 15 is the only composite number in the group, as it has factors other than 1 and itself.

Therefore, 15 is different from the others.

2023: 5 June Shift 2

Find the term which does not fit into the series :

1CV, 5FU, 9IT, 15LS, 17OR

2026: 30 May Shift 1

Identify the Odd One Out:

2026: 22 May Shift 2

Three of the following four number pairs are alike in a certain way and one is different. Find the odd one out.

2025: 2 June Shift 2

Find the different one:

2025: 21 May Shift 1

In the following question, four groups of letters are given, out of which three are alike in a certain way while one is different. Choose the odd one.

2022: 17 Aug Shift 1

Among the four options given below three have similarities find the odd one out.

Choose the number which is different from others in the group:

Solution

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