Mathematics : Math Misc

If number 62532915a completely divisible by 6, then the largest digit at the place of ‘a’ will be , If number 62532915a completely divisible by 6, then the largest digit at the place of ‘a’ will be

If number 62532915a completely divisible by 6, then the largest digit at the place of ‘a’ will be




Solution
B. 6



Explanation

 Sum of the digits of 62532915a = 33 +a
A can’t be 5 or 2
 it won’t be divisible by 2
(hence by 6).
A = 8 makes the count 41 which isn’t divisible by 3.
A = 6 makes it divisible by both 2 and 3.

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