Exams

We are able to walk on earth without slipping because of

A person invested a total sum of Rs 7900 in three different schemes of simple interest at 3%, 5% and 8% per annum. At the end of one year he got same interest in all three schemes. What is the money (in Rs) invested at 3%?

The ratio of the present ages of Aman and Ankit is 2 : 1 and the sum of their present ages is 72 years. What will be the Aman's age (in years) after 6 years?

If 3A = 7B = 13C, then A : B : C is equal to

For what value of k, the expression x6– 18x3 + k will be a perfect square?

The average age of 6 members of a family is 20 years. If the age of the servant is included, then the average age increase by 25%. What is the age (in years) of the servant?

The main source of organic matter in soil is

Blood plasma is filtered in