Question
Rs. ’P’ invested at a rate of 10% p.a. compound
interest (compounded annually) amounts to Rs. 7865 at the end of 2 years. Find the simple interest earned at the end of 6 years if the same amount is invested at the same rate.Solution
According to question; 1.1 × 1.1 × P = 7865 Or, P = Rs. 6500 Desired interest = 0.1 × 6 × 6500 = Rs. 3900
If base of a prism is square of side 8 cm & height is 20 cm . What is the volume of prism?
If 2156 is added in a number then number become 344(4/9)% of itself. Find the original number?
The volume of a cube is 216 cm³. If the cost of painting the cube is Rs. 12 per cm², then find the cost of painting five faces of the cube.
A rectangular water tank is 80 m x × 40 m. Water flows into it through a pipe of 40 sq.cm at the opening at a speed of 10 km/hr. The water level will ...
A cuboid has length 10 cm, breadth 8 cm and height 6 cm. What is its volume?
The diameter of the base of a cylindrical drum is 70 cm and its height is 15 cm. The drum is full of water and the water from the drum is transferred to...
A cube of 25 cm side is divided into 125 smaller cubes of equal volume. Find the side of smaller cubes:
The cost of fencing a rectangular field at the rate of Rs. 4/metre is Rs. 360. If the length of the field is 13 metres more than its breadth, then find ...
The area of a rhombus is 168 cm2. The length of one of its diagonals is 28 cm. The length of the other diagonal is:
Curved surface area of cylinder is 646.8 cm2. If ratio of radius to height of the cylinder is 10:4 respectively, then find the base area of t...
Relevant for Exams:
