Question

A certain number of two digits is three times the sum of its digits and
il 45 be added to it, the digits are reversed. The number is :
(a) 32
(b) 72
(c) 27
(d) 23
​

Answer 1

Answer:

c)27

Step-by-step explanation:

Also by adding 45 to the number, digits are reversed. Hence units digit a becomes tens digitand vice versa. a= 7 and b is 2. Hence the number is 10b+a = 10*2+7 = 27.

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