- (A) 61
- (B) 71
- (C) 73
- (D) 81
_______ is considered the largest glacier of Pakistan.
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- (A) Siachen Glacier
- (B) Tirich Mir Glacier
- (C) Biafo Glacier
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Find the odd one out: 13, 41, 43, 47, 53, 61, 71, 73, 81
Find the odd one out: 13, 41, 43, 47, 53, 61, 71, 73, 81
- Solution: All numbers listed are prime, except one.
- Here they are: 13, 41, 43, 47, 53, 61, 71, and 73.
- They’re all prime numbers.
- However, check out 81—it's not prime because it's the result of multiplying 9 by itself (9 × 9).
- So the correct answer is definitely (D) 81.
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