Question
The average cost of three chairs is Rs.12000. The
average cost decrease by 18% when one more chair is included. What is the cost price of the 4th chair?Solution
Total cost of three chairs = 12000 Ć 3 = Rs. 36000 Average cost of all the four chairs = 12000 Ć (82/100) = Rs. 9840 Total cost of all the fourĀ chairs = 9840 Ć 4 = Rs. 39360 Cost of the 3rdĀ chair = 39360 - 36000 = Rs. 3360
If the circumference of a circle is 352 cm then find the area of the circle?
A rod is in the form of a circle of radius 35 cm. What is the side of a square into which it can be bent?
After increase in sugar prices by 20%, a person is able to buy 2 kg less sugar for Rs. 540. Find the original and increased price of sugar per kg.
...A hemisphere of radius 10 cm is melted and recast into the shape of a cone with a base diameter of 10 cm. Find the height of the cone.
In an equilateral triangle ABC, D is the midpoint of side BC. If the length of BC is 8 cm, then the height of the triangle is:
A rectangular park is 60 m long and 40 m wide. A uniform path of width 2 m is constructed inside the park along its boundary. Find the area of the path.
The base of the triangular area is two times its height.Ā If the cost of farming area is Rs. 2000 and Rs. 80 per hectare.Ā Find its baseĀ (1 hectare = ...
A cuboid has length 10 cm, breadth 8 cm and height 6 cm. What is its volume?
The length and breadth of a rectangle are increased by 35% and 40% respectively. The increase in the area of the resulting rectangle will be:
Curved surface area of cylinder is 1617 cm2. If ratio of radius to height of the cylinder is 25:21 respectively, then find the base area of t...
Relevant for Exams:
