If the height of the cylinder is 4 times its circumference, what is the volume of the cylinder with respect to its circumference c?

In a school, $${3\over 8}$$ of the number of students are girls and the rest are boys. One-third of the number of boys are below 10 years and $${2\over 3}$$ of the number of girls are also below 10 years. If the number of students of age 10 or more years is 260, then the number of boys in the school is:

Four years ago, the age ratio of A and B was 2: 3 and after four years this ratio will be 5: 7. What is his present age?

A furniture salesman increased the value of furniture by 20 percent due to the lure of more income, which led to a decrease of 30 percent in his sales, then tell him what percentage was reduced in his income?

Study the given pie chart and answer the question that follows.
Distribution (Degree wise) of students studying in schools A, B, C, D and E
Total Number of students =9000

If the ratio of the number of boys to that of girls in school C is 6 : 5 and that in school B is 7 : 11,then what is the ratio of the number of boys in school C to the number of girls in school B?

In a bag there are coins of ₹2, ₹5 and ₹10 denominations. The total number of coins in the bag is 300. If the number of coins of ₹2, ₹5 and ₹10 denominations are in the ratio of 1:2:3, then what is the total amount of money in the bag?

Which of the following numbers is divisible by 25?

If there is an increase of 25% in edible oils, by what percent should a housewife reduce her consumption of oil so that the expenditure on this item does not increase?