For the following questions answer them individually
A sum of Rs 2000 becomes Rs 3645 in 2 years at a certain rate of compound interest. What will be the sum (in Rs) after 4 years?
Mohit sells a table at a profit of 25%. If he reduces its selling price by Rs 240, then he suffers a loss of 5%. What was the initial selling price (in Rs) of the table?
If two successive discounts of 25% and 30% are given, then what will be the ratio of marked price to selling price?
If 49 is subtracted from the square of a number, then the result obtained is 576. What is the number?
P, Q and R together can make a table in 40 minutes. P and Q together can make it in 60 minutes. How much time (in minutes) will R alone take to make the table?
Two trains are running in opposite directions with the same speed. If the length of each train is 486 metres and they cross each other in 27 seconds, then what is the speed (in km/hr) of each train?
The line graph shows the number of students admitted in the give year to a certain Uniiversity. Study the diagram and answer the following questions.
                             Year
If average fees per student collected in 2014 was Rs 20,000 what were the total fees collected (in Rs lakhs) in 2014?