Present age of vani is four times the present age of her sister. After 10 years twice vani age will be four times mala age. Find there present age
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You have not mentioned the name of sister so I am assuming it's Mala.
Let the age of Mala be x.
Therefore, Vani's age = 4x
After ten years,
Mala's age = x+10
Vani's age = 4x + 10
Acc. to question,
2(4x+10) = 4(x+10)
⇒ 4x = 20
⇒ x = 5
Mala's present age = 5 years
Vani's present age = 20 years
Let the age of Mala be x.
Therefore, Vani's age = 4x
After ten years,
Mala's age = x+10
Vani's age = 4x + 10
Acc. to question,
2(4x+10) = 4(x+10)
⇒ 4x = 20
⇒ x = 5
Mala's present age = 5 years
Vani's present age = 20 years
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