A school has 8 periods of 45 minutes each, every day. How long will each period be if the school has to have 9 periods everyday, assuming the working hours to be the same?

A basket contains 300 mangoes. 75 mangoes were distributed among some students. Find the percentage of mangoes left in the basket.

The weights of two iron balls are 3.5 kg and 7.5 kg. What is the percentage weight of the 1st ball with respect to the 2nd ball?

If 35% of A's income is equal to 25% of B's income, then the ratio of A's income to B's income is

A man spends 15% of his income. If his expenditure is Rs. 75, his income (in rupees) is:

The price of rice has increased by 60%. In order to restore the original price, the new price must be reduced by

If "basis points" are defined so that 1 percent is equal to 100 basis points, then how many basis points is 82.5 percent greater than 62.5 percent?

In the last financial year, a car company sold 41,800 cars. In this year, the target is to sell 51,300 cars. By what percent must the sale be increased?

Numbers of boys and girls are 'x' and 'y' respectively; ages of a girl and a boy are 'a' years and 'b' years respectively. The average age (in years) of all boys and girls is:

In an examination, 25% of the candidates failed in Mathematics and 12% failed in English. If 10% of the candidates failed in both the subjects and 292 candidates passed in both the subjects, which one of the following is the number of total candidates appeared in the examination?

What is the value of 9% of 5500 + 2.4% of 1100 - 40% of 1600?

Population of a village is 7960 in which 4660 are female. If in that village 60% are literate in which 70% female are literate, then what is the number of literate male ?

In an examination, Ram obtained 20 % more than Ashok but 10% less than Rajesh. If the marks obtained by Ashok is 1080. Then the Percentage marks obtained by Rajesh if the full marks is 2000 ;