Which of the two numbers should be reduced in the ratio of 15:19 so that the ratio becomes 3: 4?

Direction: The following table shows the number of students of 7 colleges A, B, C, D, E, F, G participating in extra-curricular activities :

The median of data pertaining to activity III is 

Directions:  The table given below presents the number of books on different subjects kept on separate shelves subjects with odd and even numbers are of arts and Science respectively

The number of books of S2 is what percent of number of books of S6?

The average of some natural numbers is 15. If 30 is added to first number and 5 is subtracted from the last number, the average become 17.5. then the numbers of natural numbers is :

A sum of Rs.13,000 is to be paid back in 2 equal annual instalments. How much is each instalment if the interest is compounded annually at 8 % per annum?

Study the following bar chart and answer the questions carefully.

Which of the companies shows the maximum percentage difference in sales turnover between the two years ?

If price of the table is increased by 25%, then a person can buy 25 table less for Rs 25000. What is the original price (in Rs) of the table?

The marked price of an article is ₹ 100. A discount series of 5%, 10% successively reduces the price of an article by