IBM
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Numerical Ability
Age Problem
After 6 years the ratio of age of X and Y will be 5:6. Before 6 years it was 3:4. Find the age of younger one.
Read Solution (Total 3)
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- Let X's and Y's present age be X and Y respectively.
(X+6)/(Y+6) = 5/6
=> 6X - 5Y = -6
(X-6)/(Y-6) = 3/4
=> 4X - 3Y = 6
Solving we get, X = 24 and Y = 30. Ans = X = 24 years. - 10 years agoHelpfull: Yes(6) No(0)
- PRESENT AGE OF YOUNGER ONE WILL BE.....12
- 11 years agoHelpfull: Yes(1) No(0)
- present age is a,b
after 6 years age ratio is ((a+6)/(b+6))=5/6
same as follows ((a-6)/(b-6))=3/4
solve equations
- 11 years agoHelpfull: Yes(0) No(1)
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