The present ages of A and B are 42 and 36 years, respectively. After K – McqOptions

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1.	The present ages of A and B are 42 and 36 years, respectively. After K years, the ratio of ages of B to A will be 15:17.What is value of K?
A.	9 years
B.	12 years
C.	5 years
D.	3 years
Answer» B. 12 years

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