Exams

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 5% per annum is Rs 45. The sum is

What is the unit of relative density?

A series is given,with one term missing. Choose amongst the given responses choose the meaningful one

206, 221, 251, 296, ?, 431

Tanya got an increment of 15% in her salary. If her enhanced salary is Rs.14,030. What was her original salary?

A pipe, working at full speed, can fill an empty cistern in 1 hour. However, during the first hour it worked at one-twelfth of its capacity, during the second hour at one-ninth of its capacity, during the third hour at one-sixth of its usual capacity and during the fifth hour it was only one -third as efficient as it was supposed to be. A second pipe also displayed similar performance, but if it worked at full speed would have filled the empty cistern in 2 hours. Together with a drain pipe that drained water out of the tank at a constant rate, the empty cistern could be filled in 5 hours, all the three pipes working concurrently. How many hours will it take the drain pipe to empty the filled cistern if no other pipe was functioning during the time?

If the cost of 17 m of cloth is Rs. 77 5/7, find its cost per meter in Rs.?

____ is not an allotrope of carbon.

Divide Rs. 368 in the ratio 1:5:8:9. The rupees in the respective ratios are given by