Question

Sachin is younger than Rahul by 7 years. If the ratio of their ages is 7:9, find the age of Sachin

A) 24.5 B) 25.5 C) 26.5 D) 27.5

Answer 1

Answer:

Option A

Step-by-step explanation:

If Rahul age is x, then Sachin age is x-7,

so (x-7)/x = 7/9

=> 9x-63 = 7x

=> 2x = 63

=> x = 31.5

So Sachin age is 31.5 - 7 = 24.5

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Answer 2

Answer:

A)24.5 is the correct answer

Step-by-step explanation:

Let Rahul's age be x years.

Then, Sachin's age = ( x-7 ) years.

therefore

x - 7x = 79

therefore

x - 7x = 79

Hence Sachin's age = (x - 7) = 24.5 years