Question
Rs. ’P’ invested at a rate of 15% p.a. compound
interest (compounded annually) amounts to Rs. 8464 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; 1.15 × 1.15 × P = 8464 Or, P = Rs. 6400 Desired interest = 0.15 × 6 × 6400 = Rs. 5760
A Sales Executive gets a commission on total sales at 10%. If the sale is exceeded Rs.15,000 he gets an additional commission as a bonus of 5% on the ex...
A rectangular room measures 25 metres in length and has a perimeter of 78 metres. Calculate the total cost to carpet this room at a rate of Rs. 8 per sq...
The perimeter of 3 squares is 28 cm, 36 cm and 48 cm respectively. What will be the area of the square having perimeter equal to sum of edges of 3 squar...
If the radius of a cylinder is 20 cm and its curved surface area is 660 cm2 then find the height of the cylinder?
Water flows at the rate of 10 meter per minute from a cylindrical pipe 5mm in diameter. How long it takes to fill up a conical vessel whose diameter at ...
Length and breadth of a rectangle are in the ratio 2:5. If the perimeter of the rectangle is 36 cm more than the length of the rectangle, then find the ...
A maximum-size sphere is cut from a hemisphere of radius r. Find the ratio of the volume of the sphere to the hemisphere. Radius of Hemispher
Each side of square ‘A’ is 8 cm less than that of square ‘B’. The perimeter of a rectangle is 6 times the difference of the perimeters of the tw...
A closed wooden box of uniform thickness has length, breadth and height 20cms, 16cms and 12 cms respectively. If the thickness of the wooden block is 2 ...
A rectangular piece of land has a perimeter of 77 metres and length of 24 metres. If the area of the land is to be divided into 12 equal portions, then ...
Relevant for Exams:
