Sachin is younger than Rahul by 7 years. If their ages are in the respective ratio of 7 : 9, how old is Sachin?
A.16 years
B.18 years
C.28 years
D.24.5 years
Answers
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the answer is 24.5 years
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1
let Sachin age is 7x , rahul age = 9x
9x-7x = 7 then 2x=7 , x= 7/2
sachin age = 7x = 7×7/2 = 49/2 = 24.5 year
9x-7x = 7 then 2x=7 , x= 7/2
sachin age = 7x = 7×7/2 = 49/2 = 24.5 year
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