Recent questions tagged chapter11

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The area of a trapezium become 4 times if its height gets

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

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A cube of side 3 cm painted on all its faces, when sliced into 1 cubic centimetre cubes, will have exactly 1 cube with none of its faces

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

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Two cylinders with equal volume will always have equal surface

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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The surface area of a cube formed by cutting a cuboid of dimensions `2 xx 1 xx 1 in 2` equal parts is 2 sq.

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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Ratio of area of a circle to the area of a square whose side equals radius of circle is 1 :

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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The area of a rectangular field is 48 `m^2` and one of its sides is 6m. How long will a lady take to cross the field diagonally at the rate of 20

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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The circumference of the front wheel of a cart is 3 m long and that of the back wheel is 4 m long. What is the distance travelled by the cart, when the front wheel makes five more revolutions than the rear

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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Four horses are tethered with equal ropes at 4 corners of a square field of side 70 metres so that they just can reach one another. Find the area left ungrazed by the

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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The walls and ceiling of a room are to be plastered. The length, breadth and height of the room are 4.5 m, 3 m, and 350 cm respectively. Find the cost of plastering at the rate of Rs 8 per

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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Most of the sailboats have two sails, the jib and the mainsail. Assume that the sails are triangles. Find the total area of each sail of the sail boats to the nearest tenth.

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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The area of a trapezium with equal non-parallel sides is 168 `m^2`. If the lengths of the parallel sides are 36 m and 20 m, find the length of the non-parallel

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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Mukesh walks around a circular track of radius 14 m with a speed of 4 km/hr. If he takes 20 rounds of the track, for how long does he

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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The areas of two circles are in the ratio 49:64. Find the ratio of their

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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There is a circular pond and a footpath runs along its boundary. A person walks around it, exactly once keeping close to the edge. If his step is 66 cm long and he takes exactly 400 steps to go around the pond, find the diameter of the

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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A running track has 2 semicircular ends of radius 63 m and two straight lengths. The perimeter of the track is 1000 m. Find each straight

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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Find the perimeter of the given figure.

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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A bicycle wheel makes 500 revolutions in moving 1 km. Find the diameter of the

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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A boy is cycling such that the wheels of the cycle are making 140 revolutions per hour. If the diameter of the wheel is 60 cm, calculate the speed in km/h with which the boy is

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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Find the length of the largest pole that can be placed in a room of dimensions `12 m xx 4 m xx 3 m`. Find the area of the following fields. All dimensions are in

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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Find the area of the shaded portion in the following

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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