Dr. Lal And Jain Solutions for Exercise 2: EXERCISE

What is the fraction which is equivalent to $\frac{3}{10}$ percent?

If the rate of sugar is increased by $20\%$, how much percent must a householder reduce his consumption of sugar so as not to increase his expenditure?

If Ramesh gets $10\%$ more than Mohan, then Mohan gets how much percent less than Ramesh?

Out of a total population of $5000$ people in a village the men increased by $10\%$ and woman by $15\%$, thus the total population becomes $5601$ in a year. Find how many men were there in the village?

The population of a town increases $10\%$ per year. If at the end of $1974$ the population was $8000$. Find out the population at the end of $1977$?

In a mixed school, $20\%$ of the scholars are infants under the age of $8$, and the number of scholars above the age of $8$is two-third of the number of scholars of$8$ years and amounts to$48.$ Find the number of scholars in the school?

A man's working hours a day were increased $20\%$ and his wages per hour was increased by $15\%$. By how much percent were his daily earning increased?

$3\frac{1}{2}\%$ of a man's income is taken in tax and  $12\frac{1}{2}\%$ of the remainder is saved, this leaves $₹ 4053$ to spend. What is his income?