the ages of arun and Rahul are in ratio 7: 5 ten year hence the ratio of their ages will be 9:7 find their Parsent ages
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Answer:
Arun: 35 years
Rahul: 25 years
Step-by-step explanation:
Let Rahul's and Karan's age be 7x and 5x respectively.
After 10 yrs, their ages are 7x + 10, 5x + 10 respectively.
As per the given condition, Ratio after 10 years is 9:7
So,
Cross Multiplying, we get
7(7x + 10) = 9(5x + 10)
49x + 70 = 45x + 90
49x - 45x = 90 - 70
4x = 20
x = 5
Therefore,
Rahul's age = 7 × 5 = 35 years
Karan's age = 5 × 5 = 25 years
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