Ravi Ravi is 25 years younger than his father after 10 years their age will be in the ratio of 1 is to 2 what is their present age with solution
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Let Ravi's present age is x
And father's present age is y
A/C to question,
y = x + 25 ⇒y - x = 25 --------(1)
Again,
After 10 year Ravi's age : father's age = 1 : 2
(x + 10)/(y + 10) = 1/2
⇒2x + 20 = y + 10
⇒ 2x - y = -10 ⇒y - 2x = 10 -------(2)
Solve equations (1) and (2),
x = 15 and y = 40
Hence, Ravi's present age = 15 years
Father's present age = 40 years
And father's present age is y
A/C to question,
y = x + 25 ⇒y - x = 25 --------(1)
Again,
After 10 year Ravi's age : father's age = 1 : 2
(x + 10)/(y + 10) = 1/2
⇒2x + 20 = y + 10
⇒ 2x - y = -10 ⇒y - 2x = 10 -------(2)
Solve equations (1) and (2),
x = 15 and y = 40
Hence, Ravi's present age = 15 years
Father's present age = 40 years
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