Classification problems
- 1. NA
Options- A. 12-24
- B. 14-28
- C. 23-46
- D. 36-70 Discuss
Correct Answer: 36-70
Explanation:
Only 'option (d) second number is twice of first number.
- 2. NA
Options- A. 5-2
- B. 19-16
- C. 27-23
- D. 31-28 Discuss
Correct Answer: 27-23
Explanation:
5-2=3, 19-16 =3,27 -23=4, 31-28=3.
- 3. NA
Options- A. 2, 15, 13
- B. 7, 12, 4
- C. 4, 15, 11
- D. 6, 18, 12 Discuss
Correct Answer: 7, 12, 4
Explanation:
In all others, middle number is the sum of other two numbers.
- 4. NA
Options- A. 20, 16, 18
- B. 14, 11, 13
- C. 18, 14, 16
- D. 16, 12, 14 Discuss
Correct Answer: 14, 11, 13
Explanation:
Except '14, 11 , 13', all remaining options having only even numbers.
- 5. Find out the set among the four sets which is like the given set (13 : 20 : 27)
Options- A. (3 : 11 : 18)
- B. (18 : 25 : 32)
- C. (18 : 27 : 72)
- D. (7 : 14 : 28) Discuss
Correct Answer: (18 : 25 : 32)
Explanation:
As, 13 + 7 = 20 ? 20 +7 = 27
Similarly, 18 + 7 = 25 ? 25 + 7 = 32
- 6. NA
Options- A. 46, 57
- B. 38, 49
- C. 41, 52
- D. 64, 73 Discuss
Correct Answer: 64, 73
Explanation:
The Except 64-73 all are having difference of 11.
- 7. NA
Options- A. 144
- B. 169
- C. 196
- D. 210 Discuss
Correct Answer: 210
Explanation:
Except 210, all other are square of some numbers.
- 8. NA
Options- A. 72
- B. 45
- C. 81
- D. 28 Discuss
Correct Answer: 28
Explanation:
Except 28*, all others are multiples of 3.
- 9. NA
Options- A. 527
- B. 639
- C. 246
- D. 356 Discuss
Correct Answer: 356
Explanation:
In all other numbers, the sum of the first two digits is equal to the third digit.
- 10. NA
Options- A. 17
- B. 44
- C. 29
- D. 13 Discuss
Correct Answer: 44
Explanation:
Except 44, all are prime numbers.
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