Let Us Practise 8.3.1. Shradha is 40 years old and Smita is 20 years old. How many years ago was Shradha three times as oldSmita?

12Anuls now 12years old and Priya is "24" years old.How many years ago was Anu three times as ald as Priva?

X is 36 years old and Y is 16 years old. In how many years will X be twice as old as Y?

M is 40 yr old, N is 60 yr old. How many years ago, the ratio of their age was 3 : 5 ?

Sonal is 40 years old and Nitya is 60 years old. How many years ago was the ratio of their ages 3:5 a. 5years b. 10 years c. 20 years d. 37 years e. none of these

Vipin is 42 years old and his son is 12 years old. After how many years will Vipin's age be twice that of his son?

A man is 35 years old and his son 7 years now. In how many years will the son be half as old as his father.

Rahul is 5 years old his fathers age is 31 years After how many years will his father's age be 3 times of his age?