(251+ 252+ 253+ 254 + 255) is divisible by
124
Expression: (251+ 252+ 253+ 254 + 255) =2^51 (1 + 2 + 22 + 23 + 24) =251 (1 + 2 + 4 + 8 + 16) =251× 31 Thus, the above expression is divisible by and the only option that is divisible by 31 = 124
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