For the following questions answer them individually
A sum of Rs 4000 becomes Rs 5800 in 3 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 2 years?
A sells vegetables at a profit of 35% and for weighing uses a weight which is 10% less than the article weight. What is total profit percentage?
A pen is sold at a discount of 36.36%. If the marked price of the pen is Rs 14300, then what is the selling price of the pen?
Which of the following relation is CORRECT?
If 60 boys can finish a work in 15 days by working 8 hours a day, then how many hours a day should 72 boys work to finish that work within 20 days?
Two trains are moving in the same direction at the speed of 23 km/hr and 77 km/hr. The time taken by faster train to cross a man sitting in the slower train is 40 seconds. What will be the length (in metres) of the faster train?
The pie chart shows the number of students enrolled in the various engineering courses that a certain college offers. Study the diagram and answer the following questions.
The most number of students are enrolled in which course?
What is the total number of students enrolled in the college?
The measure of the central angle of the sector representing the Electrical course is ________ degrees.
If the average annual fees paid by each student to enrol in this college is Rs 1.2 lakhs then what is the total annual fees (in Rs lakhs) collected by this college?