R. Gupta Solutions for Exercise 1: EXERCISE

$97\%$ of students were present in a school and $18$ students were absent. The total number of students in the school is:

The population of a town increased from $50000$ to $52000$. The increase percent is:

At a clearance sale, goods were sold at a reduction of $20$ percent. A student purchased a pen for $Rs.$$12$ at the clearance sale. The usual price of the pen was:

In a college election, a candidate who got $40\%$ of total votes was defeated by his rival by $160$ votes. The total number of votes polled was:

In an election, $4000$ votes were polled. One of the candidates got $40\%$ votes. He was defeated by:

The selling price of a certain commodity was reduced by $25\%$. As a result of it, the sales increased by $30\%$. What was the effect of it on cash collected by daily sales?

If the price of kerosene be raised by $10\%$, find by how much percent a householder must reduce his consumption of kerosene so that not to increase his expenditure?

A towel was $50$ cm broad and $100$ cm long. When bleached, it was found to have lost $20\%$ of its length and $10\%$ of its breadth. The percentage of decrease in area is: