EASY
7th CBSE
IMPORTANT
Earn 100

The area of four walls of a room is 150 m2. If the length of the room is twice its breadth and the height is 4 m, find the area of the floor.

Important Questions on Perimeter and Area

EASY
7th CBSE
IMPORTANT
Step by Step Mathematics>Chapter 13 - Perimeter and Area>EXERCISE 13.1>Q 12
A rectangular room 5.6 m×4.8 m is to be carpeted with a carpet 80 cm wide. Find the length of the carpet required.
EASY
7th CBSE
IMPORTANT
Step by Step Mathematics>Chapter 13 - Perimeter and Area>EXERCISE 13.1>Q 13
The cost of levelling a rectangular garden at ₹3.50 per sq. m is ₹8400. Its length and breadth are in the ratio 3:2. Find the perimeter of the garden.
EASY
7th CBSE
IMPORTANT
Step by Step Mathematics>Chapter 13 - Perimeter and Area>EXERCISE 13.2>Q 1
A path 3 m wide runs around the inside of a square park of side 60 m. Find the area of the path.
EASY
7th CBSE
IMPORTANT
Step by Step Mathematics>Chapter 13 - Perimeter and Area>EXERCISE 13.2>Q 2
A sheet of paper measures 50 cm by 30 cm. A strip 6 cm wide is cut from all around. Find the area of the remaining sheet and also the area of the strip cut out.
EASY
7th CBSE
IMPORTANT
Step by Step Mathematics>Chapter 13 - Perimeter and Area>EXERCISE 13.2>Q 3
A rectangular lawn 70 m by 50 m has two cross roads each 6 m wide running in the middle of it, one parallel to the length and other parallel to the breadth. Find the cost of levelling them at ₹5.50 per square metre.
EASY
7th CBSE
IMPORTANT
Step by Step Mathematics>Chapter 13 - Perimeter and Area>EXERCISE 13.2>Q 4
A room 12.5 m long and 10.5 m wide is surrounded by a verandah 2 m wide all around it. Find the area of occupied by the verandah.
EASY
7th CBSE
IMPORTANT
Step by Step Mathematics>Chapter 13 - Perimeter and Area>EXERCISE 13.2>Q 5
Two cross-roads each of width 5 m run at right angles through the centre of a rectangular park 70 m by 50 m, such that each parallel to one of the sides of the park, find the area of the remaining portion of the park.
EASY
7th CBSE
IMPORTANT
Step by Step Mathematics>Chapter 13 - Perimeter and Area>EXERCISE 13.2>Q 6
A rectangular grassy lawn measuring 45 m by 20 m is to be surrounded by a path which is 3 m wide. Calculate the cost of levelling the path at the rate of ₹2.50 per sq. m.