Question

A certain number of two digits is three times the sum of its digits and if 45 be added to it the digits are registered reverse the number is

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

Let the two digit number be xy=10x+y.

According to the given conditions, we have

10x+y=3(x+y) or 7x-2y=0 ...(1)

Also, 10x+y+45=10y+x

or, x-y+5=0 ...(2)

Solving the equations (1) and (2), we get

y = 7 and x = 2

Thus, the number is 27.

Hope it helps you....