For the following questions answer them individually
An amount of ₹8,00,000 is needed after 2 years to buy a car. The amount deposited in a bank gives 8% per annum interest. What should be the approximate amount to be deposited in present in the bank to meet the requirement; if the interest is compounded annually?
A batsman in his 13th inning makes a score of 85 runs and there by increases his average by five runs. What is his average after 13th innings?
A trader marks his goods at 50 percent above the cost price and allows a discount of 30 percent. What is his gain percent?
A and B together can complete a work in 26 days. A alone can complete it in 52 days. If B works at 50 percent efficiency, then in how many days A and B together will complete the work?
Rishabh bought some T-shirts at 3 for ₹252, and sold them at 5 for ₹200. Find his gain or loss percentage.
What is the change in the curved surface area of a cylinder when we double the radius and the height is halved?
Find the compound interest, compounding annually on ₹22,500 in 2 years, if the rate of interest is 5% for the first year, and 8% for the second year.
30% of the men are over the age of 25 years, and 80% are under or equal to 50 years of age. Football is played by 20% of all men. What percentage of football players are under or equal to 50 years of age, if 20% of men over the age of 50 years play football?