Advertisements
Advertisements
Question
What will be the labour cost of laying the floor of an assembly hall which is 14 m long and 10 m breadth if the cost of laying is ₹ 60 per sq.m?
Advertisements
Solution
Area of a rectangle = length × breadth
= 14 × 10
= 140 cm2
Cost of laying 1 sq.m = 60 rupees
Cost of laying the floor = 140 × 60
= 8400 rupees
APPEARS IN
RELATED QUESTIONS
If the length and breadth of a rectangle are doubled, how many times the perimeter of the old rectangle will that of the new rectangle be?
If the side of a square is tripled, how many times the perimeter of the first square will that of the new square be?
The area of a rectangular piece of cardboard is 36 sq cm and its length is 9 cm. What is the width of the cardboard?
The side of a square is 4 cm. The length of a rectangle is 8 cm and its width is 2 cm. Find the perimeter and area of both figures.
The length and breadth of a rectangular sheet of a paper are 15 cm and 12 cm respectively. A rectangular piece is cut from one of its corners. Which of the following statement is correct for the remaining sheet?
Is this shape half of the big rectangle?

Hmmm...... So its area is ______ square cm.
Anmol has a chart paper of measure 90 cm × 40 cm, whereas Abhishek has one which measures 50 cm × 70 cm. Which will cover more area on the table and by how much?
Find the area of the rectangle whose sides are:
3 cm and 4 cm
People of Khejadli village take good care of plants, trees and animals. They say that plants and animals can survive without us, but we can not survive without them. Inspired by her elders Amrita marked some land for her pets (camel and ox) and plants. Find the ratio of the areas kept for animals and plants to the living area.

What unit is used to express the area of a rectangle?
