NCERT Class 8
99. A river 2 m deep and 45 m wide is flowing at the rate of 3 km per hour. Find the amount of water in cubic metres that runs into the sea per minute.
10
Aug
99. A river 2 m deep and 45 m wide is flowing at the rate of 3 km per hour. Find the amount of water in cubic metres that runs into the sea per minute. 99. A river 2 m deep and 45 m wide is flowing at the rate of 3 km per hour. [...]
98. A wooden box (including the lid) has external dimensions 40 cm by 34 cm by 30 cm. If the wood is 1 cm thick, how many cm^3 of wood is used in it?
10
Aug
98. A wooden box (including the lid) has external dimensions 40 cm by 34 cm by 30 cm. If the wood is 1 cm thick, how many cm^3 of wood is used in it? 98. A wooden box (including the lid) has external dimensions 40 cm by 34 cm by 30 cm. If the wood [...]
97. How many cubes each of side 0.5 cm are required to build a cube of volume 8 cm^3 ?
10
Aug
97. How many cubes each of side 0.5 cm are required to build a cube of volume 8 cm^3 ? 97. How many cubes each of side 0.5 cm are required to build a cube of volume 8 cm^3 ? August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
96. Find the capacity of water tank, in litres, whose dimensions are 4.2 m, 3 m and 1.8 m?
10
Aug
96. Find the capacity of water tank, in litres, whose dimensions are 4.2 m, 3 m and 1.8 m? 3 m and 1.8 m? 96. Find the capacity of water tank in litres whose dimensions are 4.2 m August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
95. A cuboidal tin box opened at the top has dimensions 20 cm × 16 cm × 14 cm. What is the total area of metal sheet required to make 10 such boxes?
10
Aug
95. A cuboidal tin box opened at the top has dimensions 20 cm × 16 cm × 14 cm. What is the total area of metal sheet required to make 10 such boxes? 95. A cuboidal tin box opened at the top has dimensions 20 cm × 16 cm × 14 cm. What is the [...]
94. A carpenter makes a box which has a volume of 13,400 cm^3. The base has an area of 670 cm^2. What is the height of the box?
10
Aug
94. A carpenter makes a box which has a volume of 13,400 cm^3. The base has an area of 670 cm^2. What is the height of the box? 400 cm^3. The base has an area of 670 cm^2. What is the height of the box? 94. A carpenter makes a box which has a volume [...]
93. If the length of each edge of a cube is tripled, what will be the change in its volume?
10
Aug
93. If the length of each edge of a cube is tripled, what will be the change in its volume? 93. If the length of each edge of a cube is tripled what will be the change in its volume? August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
92. Radius of a cylinder is r and the height is h. Find the change in the volume if the
10
Aug
92. Radius of a cylinder is r and the height is h. Find the change in the volume if the 92. Radius of a cylinder is r and the height is h. Find the change in the volume if the August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
91. The thickness of a hollow metallic cylinder is 2 cm. It is 70 cm long with outer radius of 14 cm. Find the volume of the metal used in making the cylinder, assuming that it is open at both the ends. Also find its weight if the metal weighs 8 g per cm^3.
10
Aug
91. The thickness of a hollow metallic cylinder is 2 cm. It is 70 cm long with outer radius of 14 cm. Find the volume of the metal used in making the cylinder, assuming that it is open at both the ends. Also find its weight if the metal weighs 8 g per cm^3. 91. [...]
90. The radius and height of a cylinder are in the ratio 3:2 and its volume is 19,404 cm^3. Find its radius and height.
10
Aug
90. The radius and height of a cylinder are in the ratio 3:2 and its volume is 19,404 cm^3. Find its radius and height. 404 cm^3. Find its radius and height. 90. The radius and height of a cylinder are in the ratio 3:2 and its volume is 19 August 10, 2021 Category: Chapter 11 [...]