15 years from now Ravi's age will be four times his present age. What's Ravi present age

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Solution

Let Ravi's present age be X

After 15 years his age will be X + 15

At the same time it will be 4 times his present age i.e 4X

4X = X+15

4X - X = 15

3X = 15

X = 5

Verification

Ravi's present age = 5

After 15 years his age will be = 5 + 15 = 20

20 is 4 times of 5

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15 years from now Ravi's age will be four times his present age. What's Ravi present age

Let Ravi's present age be X After 15 years his age will be X + 15 At the same time it will be 4 times his present age i.e 4X 4X = X+15 4X - X = 15 3X = 15 X = 5 Verification Ravi's present age = 5 After 15 years his age will be = 5 + 15 = 20 20 is 4 times of 5

Let Ravi's present age be X

After 15 years his age will be X + 15

At the same time it will be 4 times his present age i.e 4X

4X = X+15

4X - X = 15

3X = 15

X = 5

Verification

Ravi's present age = 5

After 15 years his age will be = 5 + 15 = 20

20 is 4 times of 5