Subject
Quantitative Aptitude
Topic
Number
A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:
A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:
ক)
3খ)
5গ)
9ঘ)
11Explanation
Let the ten's digit be x and unit's digit be y. Then, number = 10x + y. Number obtained by interchanging the digits = 10y + x. Now, adding both number we get, (10x + y) + (10y + x) = 11x + 11y = 11(x + y), Which is divisible by 11.Related questions
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