Question Answers

2. A 3 m wide path runs outside and around a rectangular park of length 125 m and breadth 65 m. Find the area of the path. 2. A 3 m wide path runs outside and around a rectangular park of length 125 m and breadth 65 m. Find the area of the path. October [...]

Bottom of a glass beaker is made of a thin equi-convex lens having bottom side silver polished as shown in the figure. Water is filled in the beaker upto a height of h = 4 m. The image Bottom of a glass beaker is made of a thin equi-convex lens having bottom side silver polished [...]

1.A garden is 90 m long and 75 m broad. A path 5 m wide is to be built outside and around it. Find the area of the path. Also find the area of the garden in hectares. 1.A garden is 90 m long and 75 m broad. A path 5 m wide is to [...]

17.The minute hand of a circular clock is 15 cm long. How far does the tip of the minute hand move in 1 hour? (Take π = 3.14) 17.The minute hand of a circular clock is 15 cm long. How far does the tip of the minute hand move in 1 hour? (Take π = [...]

16.How many times a wheel of radius 28 cm must rotate to go 352 m? (Take π = 22/7) 16.How many times a wheel of radius 28 cm must rotate to go 352 m? (Take π = 22/7) October 9, 2020 Category: Chapter 11 - Perimeter and Area , Maths , NCERT Class 7 ,

15.Find the circumference of the inner and the outer circles, shown in the adjoining figure? (Take π = 3.14) 15.Find the circumference of the inner and the outer circles shown in the adjoining figure? (Take π = 3.14) October 9, 2020 Category: Chapter 11 - Perimeter and Area , Maths , NCERT Class 7 ,

14.A circular flower garden has an area of 314 m^2. A sprinkler at the centre of the garden can cover an area that has a radius of 12 m. Will the sprinkler water the entire garden? (Take π = 3.14) 14.A circular flower garden has an area of 314 m^2. A sprinkler at the centre [...]

13.A circular flower bed is surrounded by a path 4 m wide. The diameter of the flower bed is 66 m. What is the area of this path? (Take π = 3.14) 13.A circular flower bed is surrounded by a path 4 m wide. The diameter of the flower bed is 66 m. What is [...]

12.The circumference of a circle is 31.4 cm. Find the radius and the area of the circle ? (Take π = 3.14) 12.The circumference of a circle is 31.4 cm. Find the radius and the area of the circle ? (Take π = 3.14) October 9, 2020 Category: Chapter 11 - Perimeter and Area , [...]

An object is kept at a distance of 16 cm from a thin lens and the image formed is real. If the object is kept at a distance of 6 cm from the same lens, the image formed is virtual. An object is kept at a distance of 16 cm from a thin lens and [...]