Mathematics · Problems on Ages
If B's age today is 10 times A's age, and after n years (where n is a positive integer) B's age becomes 3 times A's age, then A's present age cannot be:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A number which is a perfect square
- 2A number which is odd✓
- 3A number which is even
- 4An even number which is prime
Correct answer
A number which is odd
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