Dr Pooranmal and Ashfaq A Khan Solutions for Chapter: Linear Equations in One Variable, Exercise 4: EXERCISE 9.4

Rajesh is $3$ years younger to his sister. If the sum of their ages is $45$ years, what are their present ages?

The father's age is $6$ times that of his son. If the difference in their ages is $25$ years, find their ages.

The number of girls in a school is $224$ less than the number of boys, If the total strength of the school is $572$, find the number of girls and boys in the school.

The difference in age between a girls and her younger sister is $4$ years. The younger sister is $6$ years older than her brother. The sum of the age of the younger sister and her brother is $16$. How old are the three children?

A table and a chair together cost $₹800$. If the cost of a chair is one-third of that of table, what is the cost of a table?

Sharvan is $4$ times as old as his brother. In $6$ years the sum of their ages will be $32$. What are their ages now?

A bag contains $25$ paise and $50$ paise coins whose total value is $₹30$. If the number of $25$ paise coins is four times that of $50$ paise coins, find the number of each type of coins.

The length of a rectangle field is twice its breadth. If the perimeter of that field is $228$ meters, find the dimensions of the field.