Discussion
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- Question
- NA
Options- A. 12
- B. 24
- C. 42
- D. 32
- Correct Answer
- 32
ExplanationAll others are divisible by 3.
- 1. NA
Options- A. 13
- B. 43
- C. 63
- D. 23 Discuss
- 2. NA
Options- A. 13
- B. 17
- C. 19
- D. 27 Discuss
- 3. NA
Options- A. 4
- B. 64
- C. 225
- D. 47 Discuss
- 4. NA
Options- A. 4867
- B. 5555
- C. 6243
- D. 6655 Discuss
- 5. NA
Options- A. 25
- B. 9
- C. 16
- D. 18 Discuss
- 6. NA
Options- A. 12
- B. 28
- C. 52
- D. 96 Discuss
- 7. NA
Options- A. 26
- B. 34
- C. 72
- D. 46 Discuss
- 8. NA
Options- A. 11
- B. 17
- C. 45
- D. 37 Discuss
- 9. NA
Options- A. 729
- B. 123
- C. 423
- D. 621 Discuss
- 10. NA
Options- A. 121
- B. 88
- C. 97
- D. 132 Discuss
Classification problems
Search Results
Correct Answer: 63
Explanation:
All others are prime numbers.
Correct Answer: 27
Explanation:
All others are prime numbers.
Correct Answer: 47
Explanation:
All others are complete squares.
Correct Answer: 6655
Explanation:
4867 ? 4 + 8 + 6 + 7 = 25, which is divisible by 5.
5555 ? 5 + 5 + 5 + 5 = 20, which is divisible by 5.
6243 ? 6 + 2 + 4 + 3 = 15, which is divisible by 5.
6655 ? 6 + 6 + 5 + 5 = 22, which is not divisible by 5.
Correct Answer: 18
Explanation:
All except '18' are square of natural numbers.
(5)2 = 25, (3)2 = 9, (4)2 = 16
Correct Answer: 96
Explanation:
All others have only 3 factors.
12 = 2 x 2 x 3, 28 = 2 x 2 x 7, 52 = 2 x 2 x 13
68 = 2 x 2 x 17, 96 = 2 x 2 x 2 x 2 x 2 x 3
Correct Answer: 72
Explanation:
All others have only 2 factors with prime number.
26 = 2 x 13, 34 = 2 x 17, 72 = 2 x 2 x 2 x 3 x 3,
46 = 2 x 23, 38 = 2 x 19
Correct Answer: 45
Explanation:
All others are prime numbers.
Correct Answer: 729
Explanation:
Only '729' is a perfect cube.
Correct Answer: 97
Explanation:
Except '97', all are divisible by 11.
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