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ROLLY KUMAR

· started a discussion

· 1 Months ago

provide the solution please

Question:
165 + 215 is divisible by :
Options:
A) 31
B) 13
C) 27
D) 33
Solution:
Ans:(d)

Abhishek

· commented

· 1 Months ago

16^5 +2^15 = 2^20 + 2^15 = 2^15( 2^5 +1) = 2^15( 32+1) = 2^15 * 33
Hence it is divisible by 33.

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