A sum of money becomes Rs 16000 in 6 years at the rate of 25% per annum simple interest. What is the total interest for 6 years?

The mean of 9 observations is 16. One more observation is included and the new mean becomes 17. The 10th observation is

The difference of two numbers is equal to 20% of the larger of the numbers. If the smaller number is 40, then find the larger number

The value of $$3{2\over7}+14{4\over9}+5{3\over9}$$ is:

What percent of 3.6kg is 72 gms ?

Direction: Read the following table carefully and answer the following questions:

Table shows the percentage of male and female employees in different education in a company and total number of males and females:

Find the postgraduate employees of a company are approximately what percent of total employees of a company?

Two friends P and Q started a business by investing in the ratio of 6 : 7. R joined them after six months by investing an amount equal to that of Q’s. At the end of the year, profit earned was Rs. 66,000. What was the share of R ?

 In a family, the average age of a father and a mother is 35 years. The average age of the father, mother and their only son is 27 years. What is the age of the son?