In a class, the number of girls is 20% more than that of the boys. The strength of the class is 66. If 4 more girls are …

In Sabarmati Express, there as many wagons as there are the no. of seats in each wagon and not more than one passenger c…

A building worth Rs. 133100 is constructed on land worth Rs. 72900. After how many years will the value of both be the s…

The price of sugar per kg increased from Rs. 16 to Rs. 20. The percentage reduction in the use of sugar so that the expe…

If a man receives on one-fourth of his capital 3% interest, on two third 5% and one the remaining 11%, the percentage in…

6 c.c. of a 20% solution of alcohol in water is mixed with 4 c.c. of a 60% solution of alcohol in water. The alcoholic s…

When 125 is subtracted from a number, it reduces to its 37.5 percent. What is 25 percent of that number ?

The price of Maruti car rises by 30 percent while the sales of the car come down by 20%. What is the percentage change i…