2,3,7,16,32,.............

The difference between compound interest and simple interest for an amount in 2 years is Rs. 32. If the rate of interest is 8%, the amount is :

The ratio of men and women in a polling booth is 4:5. If there were 120 women more than that of men, the number of voters in the booth were :

The prices of a table and a chair are in the ratio 4:1. The cost of 2 tables and 8 chairs is Rs. 400, the cost of a table is:

A and B can do work in 10 days. B and C can do it in 12 days. C and can do it in 15 days. If A, B and C work together, they will complete the work in:

40% of a number is added to 120, then the result is double of the number. What is the number ?