Chapter 11 – Mensuration
126. A rectangular sheet of paper is rolled in two different ways to form two different cylinders. Find the volume of cylinders in each case if the sheet measures 44 cm × 33 cm.
10
Aug
126. A rectangular sheet of paper is rolled in two different ways to form two different cylinders. Find the volume of cylinders in each case if the sheet measures 44 cm × 33 cm. 126. A rectangular sheet of paper is rolled in two different ways to form two different cylinders. Find the volume of [...]
125. Water flows from a tank with a rectangular base measuring 80 cm by 70 cm into another tank with a square base of side 60 cm. If the water in the first tank is 45 cm deep, how deep will it be in the second tank?
10
Aug
125. Water flows from a tank with a rectangular base measuring 80 cm by 70 cm into another tank with a square base of side 60 cm. If the water in the first tank is 45 cm deep, how deep will it be in the second tank? 125. Water flows from a tank with a [...]
124. Work out the surface area of following shapes in questions (use π = 3.14).
10
Aug
124. Work out the surface area of following shapes in questions (use π = 3.14). 124. Work out the surface area of following shapes in questions (use π = 3.14). August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
121. Work out the surface area of following shapes in questions (use π = 3.14).
10
Aug
121. Work out the surface area of following shapes in questions (use π = 3.14). 121. Work out the surface area of following shapes in questions (use π = 3.14). August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
120. A birthday cake has two tiers as shown in the figure below. Find the volume of the cake.
10
Aug
120. A birthday cake has two tiers as shown in the figure below. Find the volume of the cake. 120. A birthday cake has two tiers as shown in the figure below. Find the volume of the cake. August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
119. The ratio between the curved surface area and the total surface area of a right circular cylinder is 1:2. Find the ratio between the height and radius of the cylinder.
10
Aug
119. The ratio between the curved surface area and the total surface area of a right circular cylinder is 1:2. Find the ratio between the height and radius of the cylinder. 119. The ratio between the curved surface area and the total surface area of a right circular cylinder is 1:2. Find the ratio between [...]
118. A rectangular examination hall having seats for 500 candidates has to be built so as to allow 4 cubic metres of air and 0.5 square metres of floor area per candidate. If the length of hall be 25 m, find the height and breadth of the hall.
10
Aug
118. A rectangular examination hall having seats for 500 candidates has to be built so as to allow 4 cubic metres of air and 0.5 square metres of floor area per candidate. If the length of hall be 25 m, find the height and breadth of the hall. Example 5 : 1L = 1000 cm^3 [...]
117. How many bricks of size 22 cm × 10 cm × 7 cm are required to construct a wall 11m long, 3.5 m high and 40 cm thick, if the cement and sand used in the construction occupy (1/10)th part of the wall?
10
Aug
117. How many bricks of size 22 cm × 10 cm × 7 cm are required to construct a wall 11m long, 3.5 m high and 40 cm thick, if the cement and sand used in the construction occupy (1/10)th part of the wall? 117. How many bricks of size 22 cm × 10 cm [...]
116. The length, breadth and height of a cuboidal reservoir is 7 m, 6 m and 15 m respectively. 8400 L of water is pumped out from the reservoir. Find the fall in the water level in the reservoir.
10
Aug
116. The length, breadth and height of a cuboidal reservoir is 7 m, 6 m and 15 m respectively. 8400 L of water is pumped out from the reservoir. Find the fall in the water level in the reservoir. 116. The length 6 m and 15 m respectively. 8400 L of water is pumped out [...]
115. A cylindrical tank has a radius of 154 cm. It is filled with water to a height of 3 m. If water to a height of 4.5 m is poured into it, what will be the increase in the volume of water in kl?
10
Aug
115. A cylindrical tank has a radius of 154 cm. It is filled with water to a height of 3 m. If water to a height of 4.5 m is poured into it, what will be the increase in the volume of water in kl? 115. A cylindrical tank has a radius of 154 cm. [...]