A number if reduced by 25% becomes 225. By what percent should it be increased so that it becomes 375 ?

A sales executive gets 20% bonus of the total sales value and 10% commission besides the bonus on the net profit after c…

The population of a town is 4.2 × 10<sup>6</sup>. If the population increases by 75 per 1000 per annum…

One-fifth of half of a number is 20. Then 20% of that number is :

In an examination it is required to get 40% of the aggregate marks to pass. A student get 261 marks and is declared fail…

What will come in the place of (?) in the expression below :<br> x% of y is y% of (?)

The average marks obtained in a class of 50 students is 70%. The average of first 25 is 60% and that of 24 is 80%. What …

In a class of 65 students and 4 teachers, each student got sweet that are 20% of the total number of students and each t…