Question

ravi's age is 5 year more than 5 times of his father age find the age of ravi his father age is 40 years

Answer 1

let suppose Ravi's age is x

then father's age became

$= 5x + 5$

and value of 5x+5 is given

$5 x + 5 = 40$

then Ravi's age is

$5x + 5 = 40 \\ 5x = 40 - 5 \\ 5x = 35 \\ x = \frac{35}{5} \\ x = 7$

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Answer 2

Answer:

father's present age  'x'.

Ravi's present age = x/5 years.

After 20 years:

Age of father = x + 20.

Age of ravi = (x/5) + 20

x/5 + 20 = x + 20 - 20

x/5 + 20 = x

x/5 = x - 20

x = 5(x - 20)

x = 5x - 100

4x = 100

x = 25.

Ravi's age after 10 years = 5 + 10

= 15 years.

Step-by-step explanation: