1.

Ranu mother is four times as old as Ranu after 5 years her mother will be three times as old as she will then be find their present age ​

Answer»

\bf{\underline{Given}}:-

  • After 5 years her mother will be three times as old as she.

To find :-

  • Their present ages

Solution :-

Let Renu's present age be X

and Her mother's age be 4x

After 5 years,

  • Renu's age will be (x + 5)

  • Her mother's age will be ( 4x + 5)

According to the Question,

4x + 5 = 3(x + 5)

4x + 5 = 3x + 15

4x - 3x = 15 - 5

x = 10

Her mother's age = 4x

Her mother's age = 4 × 10

Her mother's age = 40

Hence,the present age of Renu will be 10 years and present age of Her mother's will be 40 years.



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