Discussion
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- Question
- NA
Options- A. 25
- B. 9
- C. 16
- D. 18
- Correct Answer
- 18
ExplanationAll except 18 are square of natural numbers.
(5)2 = 25, (3)3 = 9, (4)2 = 16. - 1. NA
Options- A. 24
- B. 60
- C. 124
- D. 210 Discuss
- 2. NA
Options- A. 729
- B. 123
- C. 423
- D. 621 Discuss
- 3. NA
Options- A. 17
- B. 44
- C. 29
- D. 13 Discuss
- 4. NA
Options- A. 527
- B. 639
- C. 246
- D. 356 Discuss
- 5. NA
Options- A. 72
- B. 45
- C. 81
- D. 28 Discuss
- 6. NA
Options- A. 15
- B. 63
- C. 143
- D. 195 Discuss
- 7. NA
Options- A. 9, 49
- B. 13, 121
- C. 10, 61
- D. 7 , 25 Discuss
- 8. NA
Options- A. 272
- B. 210
- C. 240
- D. 304 Discuss
- 9. NA
Options- A. 120
- B. 168
- C. 290
- D. 380 Discuss
- 10. Find the odd one out:
Options- A. 22
- B. 121
- C. 242
- D. 363 Discuss
Classification problems
Search Results
Correct Answer: 124
Explanation:
Except 124, all other numbers are multiples of 3.
Correct Answer: 729
Explanation:
Only 729 is a perfect cube.
Correct Answer: 44
Explanation:
Except 44, all are prime numbers.
Correct Answer: 356
Explanation:
In all other numbers, the sum of the first two digits is equal to the third digit.
Correct Answer: 28
Explanation:
Except 28*, all others are multiples of 3.
Correct Answer:
Explanation:
Except 267 , all other numbers are one lass than the square of a certain number
Correct Answer: 10, 61
Explanation:
9 - 2 = 7 . ? 72 = 49
13 - 2 = 11 ? 112 = 121
10 - 2 = 8 ? 82 = 64 ? 61
7 - 2 = 5 ? 52 = 25
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 number except 240 is a prime number where as sum of number 240 digit is a non-prime. Hence, it is different from all others.
Correct Answer: 380
Explanation:
Each of the numbers except 380, is either one less or one more than the square of a certain number.
Correct Answer: 22
Explanation:
Except 22 all are in the from 112 x 1, 112 x 2, 112 x 3 etc.
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