CLASSIFICATION (General Mental Ability) UPSC EPFO Part-2

Total Questions: 20

1. Finding the "odd one out" among four words

Correct Answer: (c) 35, 5, 6
Solution:

2. Finding the "odd one out" among four words

Correct Answer: (c) 5/6
Solution:

3. Finding the "odd one out" among four words

Correct Answer: (b) (56, 19)
Solution:

Except in (56, 19), in all others the first number is three times the second number.
23 × 3 = 69
36 × 3 = 108
14 × 3 = 42
But, 19 × 3 = 57

4. Finding the "odd one out" among four words

Correct Answer: (c) (27, 135)
Solution:

Except in the number pair (27, 135), in all others the second number is four times of the first number.
61 × 4 = 244
24 × 4 = 96
54 × 4 = 216
But, 27 × 5 = 135

5. Finding the "odd one out" among four words

Correct Answer: (d) 742956
Solution:

The sum of digits is 27 except in the case of number 742956.
564 327 ⇒ 5 + 6 + 4 + 3 + 2 + 7 = 27
368 127 ⇒ 3 + 6 + 8 + 1 + 2 + 7 = 27
876 321 ⇒ 8 + 7 + 6 + 3 + 2 + 1 = 27
But,
742 956 ⇒ 7 + 4 + 2 + 9 + 5 + 6 = 33

6. Finding the "odd one out" among four words

Correct Answer: (a) 4367
Solution:

Except in the case of 4367, in all others the difference between the first half and the second half of the number is 13.
4367 ⇒ 67 – 43 = 24
3245 ⇒ 45 – 32 = 13
6578 ⇒ 78 – 65 = 13
7689 ⇒ 89 – 76 = 13

7. Finding the "odd one out" among four words

Correct Answer: (c) 6 : 22
Solution:

Except in the number pair 6 : 22, in all other, the relationship is:
x : x × 3 + 1
8 × 3 + 1 = 25
15 × 3 + 1 = 46
13 × 3 + l = 40
But,
6 × 3 + 1 = 19

8. Finding the "odd one out" among four words

Correct Answer: (a) 47632
Solution:

9. Finding the "odd one out" among four words

Correct Answer: (c) 79, 63
Solution:

10. Finding the "odd one out" among four words

Correct Answer: (d) 876
Solution:Other numbers given in options are perfect square of a number.