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Question

Which of the following numbers will completely divide (461 + 462 + 463 + 464) ?


Options:
A .  3
B .  10
C .  11
D .  13
Answer: Option B

(461 + 462 + 463 + 464) = 461 x (1 + 4 + 42 + 43) = 461 x 85

     = 460 x (4 x 85)

     = (460 x 340), which is divisible by 10.



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