Question

10 years ago Sumi was twice as old as ankur if after 10 years Sumi age will be 40 years find the present age of ankur​

Answer 1

Answer:

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Answer 2

Let present age of Sumi = x

Let present age of Ankur = y

Age of Sumi before 10 years = x - 10

Age of Ankur before 10 years = y - 10

Age of Sumi after 10 years = x + 10

ATQ. x - 10 = 2(y - 10)

x - 10 = 2y - 20

2y - x = 10 - (1)

ATQ. x + 10 = 40

x = 30

Insert the value of x in (1)

2y - 30 = 10

y = 20

Therefore present age of Ankur = 20 years

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