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• CBSE×
• Class 9×
• Mathematics×
• Surface Areas And Volumes×
• Volume Of A Cuboid×

Volume Of A Cuboid Free Doubts and Solutions

Q.24 Asked by 1784393325200864 6th March 2018, 9:45 AM

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A cubical vessel is 10 m long and 8 m wide. How high must it be made to hold 380 cubic meters of a liquid?

Asked by Topperlearning User 31st January 2018, 3:20 PM

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three cubes of a metal whose edges are in ratio 3:4:5 are melted and converted into a single cube whose diagonal is 12root 3 cm find the edges of the three cubes .

Asked by prernasaraf123 23rd January 2018, 1:17 PM

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if v is the volume of a cuboid of dimensions l b and h and s is the surface area. Prove that 1/v = 2/s (1/l + 1/b +1/h)

Asked by Solar 5th January 2018, 4:24 PM

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A teak wood log is cut first in the form of a cuboid of length 2.3 M width 0.75 M and of a certain thickness its volume is 1.104 metre cube how many rectangular planks of size 2 metre into 0.75 m into 0.04 m can be cut from the cuboid?

Asked by Faijan 3rd January 2018, 7:24 PM

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Three cubes of metal whose edges are 2 cm, 3 cm and 4 cm are melted and a new cube is made. Find the volume of the new cube.

Asked by Topperlearning User 23rd August 2017, 3:08 PM

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How many cubes of edge 1 cm can be made out of a cube having an edge of length 4 cm?

Asked by Topperlearning User 23rd August 2017, 3:07 PM

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How many bricks having dimensions 20 cm × 5 cm × 5 cm are required to make a wall 2.5 m long, 0.5 m broad and 5 m in height?

Asked by Topperlearning User 23rd August 2017, 3:06 PM

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A village has a tank measuring 15 m × 10 m × 5 m. For how many days will the water will last if there is a population of 2500 and each person requires 100 litres of water per day?

Asked by Topperlearning User 23rd August 2017, 3:06 PM

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Find the cost of digging a cuboidal pit 6.5 m long, 5 m broad and 4 m deep at the rate of Rs. 20 per m3.

Asked by Topperlearning User 23rd August 2017, 3:06 PM

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Water in a canal is flowing at a rate of 3 km per hour. It is 4 m deep and 15 m wide. How much water will fall into the land to be irrigated in half an hour?

Asked by Topperlearning User 23rd August 2017, 3:05 PM

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Find the number of 3 cm cubes that can be cut out of a 12 cm cube.

Asked by Topperlearning User 23rd August 2017, 3:04 PM

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Find the number of 4 cm cubes that can be cut out of a cuboid of dimensions 12 cm × 12 cm × 8 cm.

Asked by Topperlearning User 23rd August 2017, 3:04 PM

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A solid cube of side 4 cm is cut into eight cubes of equal volume. Calculate the edge of the new cube.

Asked by Topperlearning User 23rd August 2017, 3:03 PM

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A cuboid of dimensions 50 cm × 40 cm × 12 cm is melted and transformed into three cubes of same size. Find the edge of the new cube.

Asked by Topperlearning User 23rd August 2017, 3:02 PM

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Find the volume of a cube whose total surface area is 1014 m2.

Asked by Topperlearning User 23rd August 2017, 2:42 PM

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Find the height of the cuboidal tank with square base of area 169 m2, if it can hold 253500 litres of water.

Asked by Topperlearning User 23rd August 2017, 2:41 PM

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The cost of painting the inner surface of a cuboidal tank with square base of side 9 m at the rate of 10 per m2 is 3420. Calculate the capacity of the tank.

Asked by Topperlearning User 23rd August 2017, 2:41 PM

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It costs Rs 15228 to paint the base of a cuboidal tank of height 10 m. If the cost of painting is Rs 9 per m2, find the volume of the tank.

Asked by Topperlearning User 23rd August 2017, 2:40 PM

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The dimensions of a match box is 5 cm × 3 cm × 2 cm. Find the volume of a cardboard box containing 10 such match boxes.

Asked by Topperlearning User 23rd August 2017, 2:39 PM

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The area of three adjacent faces of cuboid are 15 sq cm,20sqcm&12sqcm ,find the volumeof the cuboid.

Asked by Snehal Ambekar 12th March 2016, 6:25 PM

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Find the volume of a cube whose diagonal is 8√3 cm.

Asked by mkmishra101 8th March 2016, 1:00 PM

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Water in a canal, 30dm wide and 12dm deep is flowing with a velocity of 20km per hour. How much area wiil it irrigate in 30min. If 9 cm of standing water is desired? (10dm =1m)

Asked by dimplesharma0810 5th March 2016, 9:58 AM

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The area of the adjacent faces of a rectangular block are in the ratio 2:3:4. It's volume is 9000cubic metre then find the length of the shortest edge

Asked by surajsugitha 12th November 2015, 7:33 PM

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a wall 15m long,30cm wide and 4m high is made of bricks,each measuring (22cm, 12.5cm, 7.5cm). if 1/12 if total volume of the wall consist of morter, how many bricks are there in wall?

Asked by 2002rishabhverma 25th October 2015, 12:45 PM

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A rectangular water reservoir is 7.2 m by 2.5 m at the base. Water flows into it throught a pipe whose cross section is 5 cm x 9 cm at the rate of 20 m/second. FInd the height to which the water will rise in the reservoir in 40 min?

Asked by priyankaagnihotri 9th March 2015, 7:53 PM

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A  closed wooden box has outer dimensions as 10 cm x 8 cm x 7 cm.The thickness of wood is 1 cm.If 1 cm3 of wood costs Rs 2,find the total cost of the wood required to make the box.

Asked by rkjha_in 9th March 2015, 4:40 PM

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sir can you please guide me on how to prepare for my maths sa2 exam. Is doing the ncert thoroughly enough or should i go for r.d sharma too.

Asked by archita123 3rd March 2015, 7:00 PM

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How many cubes of side 3 cm can be cut from a wooden solid cuboid with dimensions 12 cm 12 cm 9 cm?

Asked by Topperlearning User 28th November 2014, 10:37 AM

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A river 3 m deep and 40 m wide is flowing at the rate of 2 km/hour. How much water will fall into the sea in one minute?

Asked by Topperlearning User 28th November 2014, 10:32 AM

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A cube and cuboid have same volume. The dimensions of the cuboid are in the ratio 1 : 2 : 4. If the difference between the cost of polishing the cube and cuboid at the rate of Rs. 5 per m2 is Rs. 80, find their volumes.

Asked by Topperlearning User 10th October 2014, 2:11 PM

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A wall of length 10 m was to be built across an open ground. The height of the wall is 4 m and thickness of the well is 24 cm. If this wall is to be built up with bricks whose dimensions are 24 cm 12 cm 8 cm, how many bricks would be required?

Asked by Topperlearning User 4th June 2014, 1:23 PM

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A metallic sheet is of the rectangular shape with dimensions 48 cm36 cm. From each one of its corner a square of 8 cm is cut off. An open box is made of the remaining sheet. Find the volume of the box.

Asked by Topperlearning User 21st February 2014, 2:38 PM

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The length of a room is double its breadth. Its height is 3 m. The area of four walls excluding a door of dimensions 4 m 2 m is 100 m2. Find the volume.

Asked by Topperlearning User 21st February 2014, 2:30 PM

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A residential colony has a population of 5400 and 60 litres of water is required per person per day. For the effective utilization of rain water, a group of people decided to do WATER HARVESTING. They constructed a water reservoir measuring 48 m x 27 m x 25 m to collect the rain water. (a) For how many days the water of this tank is sufficient if during rain, the height of water level is 5 m. (b) Which value is shown by the group of people?

Asked by Topperlearning User 21st February 2014, 1:05 PM