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
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Answer:
let Rahul's age be x years
then sachin's age = x-7 years
x-7 / x = 7 / 9
9x - 63 = 7x
2x = 63
x =31.5
hence, sachin's age
x-7 = 24.5 years
a. 16 years b. 18 years c. 28 years d. 24.5 years
Post your answer through comment
Answer:
let Rahul's age be x years
then sachin's age = x-7 years
x-7 / x = 7 / 9
9x - 63 = 7x
2x = 63
x =31.5
hence, sachin's age
x-7 = 24.5 years
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