1.

`4^(61)+4^(62)+4^(63)+4^(64)` ‌ किससे विभाजित है?A. 17B. 3C. 11D. 13

Answer» Correct Answer - A
`4^(61)+4^(62)+4^(53)+4^(64)`
`4^(61)(4^(0)+4^(1)+4^(2)+4^(3))`
`4^(61)xx85`
Now check with option 85 is divisible by 17


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