Discussion
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- Question
- NA
Options- A. 144
- B. 169
- C. 288
- D. 324
- Correct Answer
- 288
ExplanationAll others are perfect square of natural number.
- 1. NA
Options- A. 272
- B. 210
- C. 240
- D. 304 Discuss
- 2. NA
Options- A. 63
- B. 126
- C. 215
- D. 342 Discuss
- 3. NA
Options- A. 17
- B. 44
- C. 29
- D. 13 Discuss
- 4. NA
Options- A. 143
- B. 171
- C. 117
- D. 195 Discuss
- 5. NA
Options- A. 64
- B. 208
- C. 316
- D. 118 Discuss
- 6. NA
Options- A. 120
- B. 72
- C. 108
- D. 98 Discuss
- 7. NA
Options- A. 28
- B. 42
- C. 35
- D. 65 Discuss
- 8. NA
Options- A. 115
- B. 145
- C. 195
- D. 75 Discuss
- 9. NA
Options- A. 120
- B. 6
- C. 24
- D. 64 Discuss
- 10. NA
Options- A. 73
- B. 53
- C. 87
- D. 67 Discuss
Classification problems
Search Results
Correct Answer: 240
Explanation:
? 272 = 2 + 7 + 2 = 11
210 = 2 + 1 + 0 = 3
240 = 2 + 4 + 0 = 6
304 = 3 + 0 + 4 =7
The sum of digit of all numbers except 240 is a prime number, whereas sum of digits of the number 240 is a non-prime. Hence, it is different from all others.
Correct Answer: 126
Explanation:
All others are one less then the cube of a number.
Correct Answer: 44
Explanation:
Except '44', all are prime numbers.
Correct Answer: 171
Explanation:
All others are divisible by 13.
Correct Answer: 64
Explanation:
This is the only square in the group.
Correct Answer: 98
Explanation:
All others are divisible by 12.
Correct Answer: 65
Explanation:
All others are divisible by 7.
Correct Answer: 75
Explanation:
Only 75 is divisible by 15.
Correct Answer: 64
Explanation:
Except '64', none of the numbers is a square or a cube.
Correct Answer: 87
Explanation:
Except '87', all a prime numbers 87 is divisible by 3.
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