For the following questions answer them individually
On a certain sum, the simple interest for 2 years is Rs. 12000. If the sum is Rs. 12000, then what will be the compound interest (compounding annually) on the same sum at the same rate of interest for first 3 years?
The average of five consecutive odd numbers is 15. What is the smallest of these five numbers?
What is the greatest four-digit number which when divided by 3 and 4 leaves remainder 2 in each case?
A person bought an article and sold it at a loss of 10 percent. If he had bought it for 30 percent less price and sold it for Rs. 90 more, then would earn a profit of 35 percent. What is the cost price of the article?
A train moves at a speed of 30 m/s and crosses a bridge of length 650 metres in 50 seconds. What is the length of the train?
