## Realated Questions

A does 120 surveys in a week and gets Rs 3600. B is 1.2 times more efficient than A. Also, A is 25% more efficient than C. Each of them works for one week. Which of the following statements is not correct?

If the interest on Rs. 800 exceeds that on Rs. 600 by Rs. 15.50 in 6 months, find the rate percent p.a.

A radio can be brought for Rs.2000 cash or for Rs.2200 on 5 months credit. Find the interest rate p.a. Consider simple interest.