If the 8-digit number 43A5325B is divisible by 8 and 9, then the sum of A and B is equal to:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 14.
| Understanding/Application |
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8-digit number 43A5325B is divisible by 8 and 9. If the number is divisible by 8 the last 3 digits should be divisible by 8. 25B is divisible by 8. B = 6 |
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If the number is divisible by 9, the sum of its digits should be divisible by 9 4 + 3 + A + 5 + 3 + 2 + 5 + B = Multiple of 9 22 + A + B = Multiple of 9 28 + A = Multiple of 9 The only possible answer to A is its value should be 8. A + B = 8 + 6 = 14 |