A number consists of two digits The digit at the ten rsquo s place is two times the digit at the one...........

Quantitative Aptitude ( CCS) Number System

A number consists of two digits. The digit at the ten’s place is two times the digit at the one’s place. The number, formed by reversing the digits is 27 less than the original number. Then the original number is

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Explanation:

let x be in the tens place and y in the units place.
x=2y, 10y+x=10x+y -27, 9y-9x=-27
put the value of x in the equation
9y-18y=-27 , -9y=-27
y=3, x=6
the number is 63.

Hence, option 3 is the correct answer.