Arihant Expert Team Solutions for Exercise 1: Practice Questions

In a class of $60$ students, $40\%$ can speak only Hindi, $25\%$ can speak only English and rest of the students can speak both languages. Total how many students can speak English?

Fresh grapes contain $80\%$  water, while dry grapes contain $10\%$ water. If the weight of dry grapes is $500 kg$. What is its total weight when it is fresh?

In an election between two candidates, one got $55\%$ of the total valid votes, $20\%$ of the votes were invalid. If the total number of votes was $7500$, the number of valid votes that the other candidate got, was:

Two candidates contested an election. If one got $520$ votes which was $65\%$ of votes, what was the total number who voted?

A factory has produced $6750$ pieces of toys out of which $12\%$ were found defective. Out of the remaining, if $15\%$ were not sold, how many toys were sold$?$

The difference between $89\%$ of a number and $73\%$ of the same number is $448$. What is $49\%$ of that number$?$

Out of $820$ employees in an organization, $20\%$ of the employees got promoted to a higher grade. How many employees did not get promoted?

In a class of $40$ students and $5$ teachers, each student got sweets that are $15\%$ of the total number of students and each teacher got sweets that are $20\%$ of the total number of students. How many sweets were there?