A three - digit number has digits in strictly descending order an… | XAT 2015 Question Paper

XAT 2015Quantitative AbilityNumber SystemsHARD+1 / −0.25

A three - digit number has digits in strictly descending order and divisible by 10. By changing the places of the digits a new three - digit number is constructed in such a way that the new number is divisible by 10. The difference between the original number and the new number is divisible by 40. How many numbers will satisfy all these conditions?

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XAT 2015Quantitative AbilityNumber SystemsHARD+1 / −0.25

Select an option to reveal the answer and explanation

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