Question

A number consists of two digits of which ten's digit exceeds the unit digit by 7.
The number itself is equal to 10 times the sum of its digits. Find the number.​

Answer 1

Answer:

70

Step-by-step explanation:

let the no. be 10x+y.

x-y=7----(i)

10x+y=10(x+y)

10x-10x=10y-y

0=9y

y=0----(ii)

subsituting (ii) in (i)

x-0=7

x=7

10x+y=70+0

Ans = 70

Answer 2

Step-by-step explanation:

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