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# Mensuration

1.

If the edge of a cube is 1 cm then which of the following is its volume?

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2.

Which of the following is the once of a rhombus?

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3.

Value of sin 2π⁄3 considering radian is

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4.

Considering radian, value of cos 2.3π is

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5.

A cube of edge 15 cm is immersed completely in a rectangular vessel containing water. If the dimensions of the base of the vessel are 20 cm × 15 cm, find the rise in water level.

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6.

If the radius of sphere is increased by 9.09 %, then surface area of sphere is increased by how much percentage.

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7.

A field with equal sides of 40m is full of grass. One cow is tied to each corner of the field by a rope of 14m. How much grass will not be eaten by those 4 cows?

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8.

Ramesh’s bedroom has a rectangular floor. He built the 4 walls of this room in Rs. 24000 at the rate of Rs. 20 per sq. m. What is height of his bedroom if perimeter of the floor is 150m?

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9.

In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of the ground is:

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10.

In formula 2πr, 'r' is considered as