The difference between the value of the number increased by 20% and the value of the number decreased by 25% is 36. Find…

The cost of an article was Rs.75. The cost was first increased by 20% and later on it was reduced by 20%. The present co…

Of the 50 researchers in a work group, 40% will be assigned to Team A and the remaining 60% to Team B. However, 70% of t…

Due to fall of 10% in the rate of sugar, 500 gm more sugar can be purchased for Rs. 140. Find the original rate?

0.01 is what percent of 0.1 ?

The enrolment of students in a school increases from 560 to 581. What is the percent increase in the enrolment ?

Ram spends 30% of his salary on house rent, 30% of the rest he spends on his children's education and 24% of the total s…

The number that is to be added to 10% of 320 to have the sum as 30% of 230 is :