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Rectangular Parallelepiped or Cuboid

Q- Let us write by calculating how many cubic decimeters of concrete material will be necessary to construct two cylindrical pillars each of whose diameter is 5:6 decimeter and height is 2.5 meter.Let us write by calculating the cost of plastering the two pillars at ₹ 125 per square meter.

Chapter: Rectangular Parallelepiped or Cuboid

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Q- The daily requirement of water of three families in our three-storyed flat are 1200 lit, 1050 lit. and 950 lit respectively. After fulfilling these requirements in order to put up a tank again and to deposit to store 25% of the required water, only a land having the length of 2.5 m and breadth of 1.6 m has been procured. Let us calculate the depth of the tank in metre that should be made. If the breadth of the land would be more by 4 dcm, then let us calculate the depth of the tank to be made.

Chapter: Rectangular Parallelepiped or Cuboid

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Q- The depth of a cuboidal pond with length of 20 m and breadth of 18.5 m is 3.2 m. let us write by calculating, the time required to irrigate whole water of the pond with a pump having the capacity of irrigate 160 kilos lit. water per hour. If that quantity of water is poured on a paddy field with a ridge having the length of 59.2 m and breadth of 40 m. then what is the depth of water in that land- let us write by calculating it, [ 1 cubic metre = 1 kilo litre ]

Chapter: Rectangular Parallelepiped or Cuboid

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Q- There were 800 lit, 725 lit and 575 lit. Kerosene oil in 3 kerosine oil Drums of the house. The oil of these three drums is poured into a cuboidal pot and for this, the depth of oil in drums becomes 7dcm. If the ratio of the length and breadth of the cuboidal pot is 4:3, then let us write by calculating, the length and breadth of the pot. If the depth of the cuboidal pot would be 5 dcm, then let us calculate whether 1620 lit. oil can be kept or not in that pot.

Chapter: Rectangular Parallelepiped or Cuboid

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