If 1A2B5 is exactly divisible by 9, then the least value of (A + B) is

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Solution

The correct option is C
2

$∵$ A2B5 is exactly divisible by 9.

$∴$ Sum of its digits must be divisible by 9.

A + 2 + 13 + 5 = 7 + A + B is divisible by 9.

$∴$ Least value of A + B = 2 as 7 + 2 = 9, which is divisible by 9.

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