EASY
7th CBSE
IMPORTANT
Earn 100

A wire is looped in the form of a circle of radius 35 cm. If it is rebent in the form of a square, what will be the length of each side of the square?

Important Questions on Mensuration

MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20E>Q 16
A well of diameter 140 cm has a stone parapet around it. If the length of the outer edge of the parapet is 616 cm, find the width of the parapet. [Take π=227]
EASY
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20E>Q 17
Find the distance covered by the wheel of a bus in 2000 rotations if the diameter of the wheel is 98 cm.
EASY
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20E>Q 18
The diameter of the wheel of a cycle is 70 cm. How far will it go in 250 revolutions?
EASY
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20E>Q 19
The diameter of the wheel of a car is 77 cm. How many revolutions will it make to travel 121 km?
EASY
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20E>Q 20
A bicycle wheel makes 5000 revolutions in moving 11 km. Find the circumference and the diameter of the wheel.
EASY
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20E>Q 21
The hour and minute hands of a clock are 4.2 cm and 7 cm long respectively. Find the sum of the distances covered by their tips in 1 day.
EASY
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20F>Q 1
Find the area of a circle whose radius is 21 cm.
 
EASY
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20F>Q 1
If the area of a circle whose radius is 3.5 m is k m2, then find the value of k. (Use π=227)