Classification: Reasoning MCQ Question with Answer

Classification MCQ Question with Explanation Answer

Directions ( 11 to 20): In each of the following questions, five numbers are given. Out of these, four are alike in a certain way but the rest one is different. Choose the one which is different from the rest four.

Q11. (a) 28

(b) 65

(d) 215

(e) 361

Answer: (a)

Explanation: 28 is the only number with all even digits.

Q12. (a) 43

(b) 53

(d) 73

(e) 83

Answer: (d)

Explanation: In all other pairs, first number is 13 more than the second.

Q13. (a) 263

(b) 111

(d) 551

(e) 383

Answer: (e)

Explanation: In all the numbers except 383, the middle digit is the product of the other two digits.

Q14. (a) 7

(b) 15

(d) 57

Answer: (d)

Explanation: All other numbers can be expressed as a power of 2 minus one.

Thus, 7 = 2³ -1, 15-2⁴ – 1, 31 = 2⁶ -1.

Q15. (a) 2

(b) 16

(d) 128

(e) 64

Answer: (c)

Explanation: Except 56 all can be expressed as power of 2.

Q16. (a) 11

(b) 13

(d) 17

Answer: (c)

Explanation: Each of the numbers except 15, is a prime number.

Q17. (a) 119

(b) 136

(d) 153

(e) 63

Answer: (a)

Explanation: Only 119 has different factors, 7 and 17 and no factors are repeated.

Q18. (a) 372164

(b) 376821

(d) 319446

(e) 387315

Answer: (a)

Explanation: Sum of digits in each other number is 27.

Q19. (a) 22

(b) 121

(d) 363

(e) 484

Answer: (a)

Explanation: Except 22 all are in the from 11² × 1, 11² × 2, 11² × 3 etc.

Q20. (a) 35

(b) 49

(d) 63

(e) 140

Answer: (c)

Explanation: Each of the number except 50. is divisible by 7.

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Classification: Reasoning MCQ Question with Answer

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