A number consists of two digits such that the digit in the unit’s place is more by 2 than the digit in the ten’s place. Three times the number added to 67 times the number obtained by reversing the digits equals 108. Then the number is:
A
24
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B
72
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C
52
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D
48
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Solution
The correct option is A 24 Let the tens digit of the number be x.
Then the ones digit will be x+2
Therefore, the original number is 10(x)+(x+2)=11x+2
Number obtained by reversing the digits is 10(x+2)+(x)=11x+20