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31. | Which of the following numbers will completely divide (325 + 326 + 327 + 328) ? | |
A. | 11 | |
B. | 16 | |
C. | 25 | |
D. | 30 | |
Answer: Option D | |
Explanation: | |
(325 + 326 + 327 + 328) = 325 x (1 + 3 + 32 + 33) = 325 x 40 = 324 x 3 x 4 x 10 = (324 x 4 x 30), which is divisible by30. |
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