A student scored 32 % marks in science subjects out of 300. How much should he score in language papers out of 200 if he is to get overall 46 % marks? 

In a school 40% of the students play football and 50% play cricket. If 18% of the students neither play football nor cricket, the percentage of the students playing both is:

If C.P of 20 tables is equal to the S.P of 25 tables. Find the loss percentage.

If the height of a cylinder is increased by 15% and the radius of its base is decreased by 10%, then by what percent will its curved surface area change?

The ratio of 45% of 80% of A to 30% of 40% of B is 15: 4. If the average of A and B is 67.5, what is the value of AB?

If 8% of x is the t same as 4 % of y, then 20% of x is the same as:

The population of a city is 48,600. If there is a 25% increase in the first year and a reduction of 8% in the second year, then what will be the population of this city at the end of 2 years?

Two students appeared at an examination. One of them secured 9 marks more than the other and his marks were 56 % of the sum of their marks. The marks obtained by them are: