For the following questions answer them individually
The distance ‘d’ a moving body travels, varies directly with time ‘t’. When a train travels 120 miles in 3 h, then how many miles would it travel in 8 h?
If the simple interest on a sum of money for two years at 5% per annum is Rs.50, then what is the compound interest when compounding annually at the same rate and for the same time?
A toy car costs Rs. 1800. Its price is reduced to Rs. 1500 in the sale. By what percentage was the price reduced?
A thief is noticed by a policeman from a distance of 380 m. The thief starts running and the policeman chases him. The thief and policeman run at the speed of 25 m/sec and 30 m/sec respectively. What is the time taken by the policeman to catch the thief?
A shopkeeper decided the price of 2 sarees and 4 shirts to be ₹1,600.With the same money one can buy 1 saree and 6 shirts. If I want to buy 12 shirts how much shall I have to pay?
In an examination, there are three subjects of 100 marks each. A student scores 75% in the first subject and 86% in the second subject. He scored 68% in aggregate. His percentage of marks in the third subject is:
Find the number of solid spheres, each of diameter 6 cm, that can be made by melting a solid metal cylinder of height 12 cm and diameter 6 cm.
A and B are two typists. One afternoon, they were each given 80 pages for typing.
They divided the work equally, but B finished 40 minutes before A, who took 4 hours for the same. The next afternoon, they were again given 121 pages to type. However, this time they decided to divide the work such that they finished typing simultaneously. How many pages did A have to type?
Tina gets a discount of 15 percent on a grinder whose marked price is Rs. 8200. Since she pays cash, she gets an additional 3 percent discount too. How much does she pay?