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The number of 51^(49) +51^(48) +51^(47) ...

The number of `51^(49) +51^(48) +51^(47) +...+51+1` is divisible by A) 10 B) 20 C) 25 D) 50

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The number 51^(49)+51^(48)+51^(47)+...+51+1 is divisible by a.10 b.20c.25d.50

The number 51^(49)+51^(48)+51^(47)+........+51+1 is divisible by a. 10 b. 20 c. 25 d. 50

The number 51^(49)+51^(48)+51^(47)+........+51+1 is divisible by a. 10 b. 20 c. 25 d. 50

The number 51^(49)+51^(48)+51^(47)+....+51+1 is divisible by a. 10 b. 20 c. 25 d. 50

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3 ^(41) + 7 ^(82) will be divisible by ? 10 ,26, 51, 7.

(4x + 51y + 1) (4x + 51y - 1) ___

50 51 47 56 42 65 29