Question

the number in ones place of a two digit number is 5.The number is 5 times when both the number is added.find the number?
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Answer 1

Answer:

Let the digit at tens place be x

Then number = 10x+5

Sum of digits is 5+x

According to question

5(5+x)=10x+5

25+5x=10x+5

5x= 20

x= 4

there fore number = 45 Ans...........