S Purkayastha Solutions for Chapter: Percentage and Its Applications, Exercise 2: Check Point

In India, $14$ women members of Parliament were elected in $1977$ and in $1979$ this number was $26$. Find the increase per cent of women members of Parliament from $1977$ to $1979$.

The cost of $25$ articles is $₹800$. Find the cost of $27$ such articles if the cost of each article increased by $10\%$

Find the original value of a  $90\%$ increase gives $190$

Find the original value of a  $50\%$ decrease gives $800$

Find the original value of a  $63\%$ decrease gives $185$.

A man's salary increased by $12\%$. If his present salary is $₹13,440$, find the previous salary.

The population of a town was $2,80,000$. The next year due to flood, it decreased by $8\%$, then again increased by $10\%$ next year. Find the present population

Hari's salary increased by $5\%$ for his good work, and Rahim's salary decreased by $5\%$ for his negligence. If both are now getting $₹3150$ as salary, what was their previous salaries