A certain number of two digits is three times the sum of its digits If 45 is added to it the digits ...........

Quantitative Aptitude ( CCS) Number System

A certain number of two digits is three times the sum of its digits. If 45 is added to it, the digits are reversed. The number is _______

A certain number of two digits is three times the sum of its digits
only 27 satisfies this condition.
27 + 45 = 72
Therefore 27 is the number

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