Before 7 yr, the ratio of ages of A and B was 3 : 4 after 9 yr, ratio – McqOptions

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1.	Before 7 yr, the ratio of ages of A and B was 3 : 4 after 9 yr, ratio of their ages will be 7 : 8. The present age of B will be
A.	16 yr
B.	19 yr
C.	28 yr
D.	23 yr
E.	None of the above
Answer» E. None of the above

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