Surekha borrowed a sum of money and returned it in two equal annual instalments of ₹5,547 each. If the rate of interest was p.a. compounded yearly, then the total interest paid by her was:

Two numbers x and y (x>y) such that their sum is equal to three times their difference. Then value of will be 

Express 35% as a simple fraction:

If a=2b/3, b=2c/3, and c=2d/3, then find the ratio of b and d:

Directions: The bar graph given below shows the production (in ' 000 tones) of rice of a country for the year 2007 to 2011. Study the graph carefully and answer the question given below it.

What is the average production of rice per year from 2009 to 2011? (in thousand tones)

Study the following graph carefully to answer the given questions

 T and V started the work. After 3 days Z joined them, who can complete alone the same whole work in 3 days. What is the total number of days in which they had completed the work?

Study the following graph carefully to answer the given questions

After working for 3 days S is joined by O. If they complete the remaining work in 3 more days, in how many days can O alone complete the work?

The measure of a cuboid warehouse is (8 m x 6 m x 3 m). If each sack covers 0.48 cubic meters of space, how many maximum sacks can be kept in it?