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Find out a number which is less than 100 and is more than one fifth of its actual value when the digits are reversed?

+1 vote
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Find out a number which is less than 100 and is more than one fifth of its actual value when the digits are reversed?
posted Aug 28, 2015 by anonymous

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2 Answers

0 votes
 
Best answer

45

If we reverse the 45 we get 54 which is 20% more then 45.

Working
Assume number is 10a+b
5(10b+a) = 6(10a+b)
50b+5a=60a+6b
44b = 55 a
4b=5a where both a,b is greater then 0 and less then 9
i.e. a=4 and b=5

answer Apr 27, 2017 by Salil Agrawal
–1 vote

the numbers are ;;;

15, 25 , 35, 45, 55, 65, 75, 85 , 95

answer Sep 11, 2015 by Ankit Kamboj
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