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An 8-digit number 4252746B leaves remainder 0 when divided by 3. How many values of B are possible?1. 22. 33. 44. 6 |
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Answer» Correct Answer - Option 3 : 4 Given: An 8- digit number: 4252746B Remainder = 0 when divided by 3 Calculation: As per the divisibility tests, the sum of all the digits of the number should be divisible by 3 So, 4 + 2 + 5 + 2 + 7 + 4 + 6 + B = 30 + B 30 is completely divisible by 3. So, for remainder 0, the possible values are 0, 3, 6, 9. ∴ The number of possible values of B is 4 |
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