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42. | Which one of the following numbers is completely divisible by 45? | |
A. | 181560 | |
B. | 331145 | |
C. | 202860 | |
D. | 2033555 | |
Answer: Option C | |
Explanation: | |
45 = 5 x 9, where 5 and 9 are co-primes. Unit digit must be 0 or 5 and sum of digits must be divisible by 9. Among given numbers, such number is 202860. |
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