In how many years a sum of money at 6 % simple interest per annum would be 4 double?

If the amount of ₹ 180 after one year will be ₹ 198, then the rate of simple interest is _____

If the annual rate of simple interest decreases from 5.5% to 4.5%, then the total interest is decreased by ₹ 250. Find the capital.

The annual interest is part of its principal, then determine the interest of ₹ 690. The annual interest is for 8 months.

Simple interest of ₹ Y for Z month at the rate of X% per annum is (a) ₹ XYZ/1200 (b) ₹ XYZ/100 (c) ₹ 200 (d) ₹ XYZ/120

What is the rate of simple interest per annum, when the interest of some money in 10 years will be part of its amount?

After retirement Gobinda Babu got ₹ 5,00,000. He deposited a part of it in post office at 7.2% simple interest p.a. and the other part in a bank at 6% simple interest p.a. Every year he got ₹ 33,600 in total as interest from bank and post office. Find the amounts he deposited in bank and post office separately.

At the same rate of simple interest in percent per annum, if a principal becomes the amount of Rs. 7,100 in 7 years and Rs. 6,200 in 4 years, determine the principal and rate of simple interest in percent per annum.

Asha buys ₹ 20 shares of a company which pays 9% dividend at such a price that she gets a return of 12% on her investment. At what price did she buy each share? (a) ₹ 20 (b) ₹ 15 (c) ₹ 25 (d) ₹ 18

If A = , then A² is equal to: (a) (b) (c) (d)

The fourth term of a Geometric Progression (G.P.) is 16 and its seventh term is 128. Find its: (a) common ratio (b) first term

Statement 1: The point which is equidistant from three non-collinear points D, E and F is the circumcentre of △DEF. Statement 2: The incentre of a triangle is the point where the bisectors of the angles intersect. (a) Both statements are true. (b) Both statements are false. (c) Statement 1 is true and Statement 2 is false. (d) Statement 1 is false and Statement 2 is true.