1.

The units place digit of a two digit number is 5 . the numberis 5 times the sum of the digits. find the number.​

Answer»

Answer: the answer is 45.

Explanation : let the digits be X and y.

therefore the NUMBER be 10x + y.

it is given that y = 5.

ATQ

5(x+5) = 10x + 5

5x + 25 = 10x + 5

5x = 20

x=4

therefore x = 4

therefore the number is 45.



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