CDS 2022 · PYQ · Number System · medium
41^43 + 43^43 is divisible by
Answer
The correct answer is C: 84. Since 43 is odd, a^n + b^n is divisible by a+b. So 41^43 + 43^43 is divisible by 41+43 = 84.
- A.86
- B.88
- C.84✓ Correct
- D.80
Since 43 is odd, a^n + b^n is divisible by a+b. So 41^43 + 43^43 is divisible by 41+43 = 84.
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