The ratio of the ages of two boys is 3 : 4. After 3 years this ratio b – McqOptions

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1.	The ratio of the ages of two boys is 3 : 4. After 3 years this ratio becomes 4:5. What will be the ratio of their ages after 21 years?
A.	14ः17
B.	17ः19
C.	11ः12
D.	10ः11
Answer» E.

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