Hot questions

0 votes

0 answers

Three cubes of metal whose edges are 6 cm, 8 cm and 10 cm respectively are melted to form a single cube. The edge of the new cube

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

0 votes

0 answers

A trapezium with 3 equal sides and one side double the equal side can be divided into __________ equilateral triangles of _______

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

0 votes

0 answers

In the above question, curved surface area of A is ________ curved surface area of

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

0 votes

0 answers

Two cylinders of equal volume have heights in the ratio 1:9. The ratio of their radii is

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

0 votes

0 answers

Two cylinders of same volume have their radii in the ratio 1:6, then ratio of their heights is

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

0 votes

0 answers

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 vaibhav (1.7k points)

0 votes

0 answers

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 purvi (1.8k points)

0 votes

0 answers

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

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

0 votes

0 answers

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 vaibhav (1.7k points)

0 votes

0 answers

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)

0 votes

0 answers

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 yogita (1.8k points)

0 votes

0 answers

Find the area of the shaded portion in the following

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

0 votes

0 answers

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

0 votes

0 answers

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

0 votes

0 answers

A square sheet of paper is converted into a cylinder by rolling it along its side. What is the ratio of the base radius to the side of the

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

0 votes

0 answers

Radius of a cylinder is r and the height is h. Find the change in the volume if the (a) height is doubled. (b) height is doubled and the radius is halved. (c) height remains same and the radius is

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

0 votes

0 answers

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

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

0 votes

0 answers

How many cubes each of side 0.5 cm are required to build a cube of volume 8 `cm^3`

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

0 votes

0 answers

A hollow garden roller of 42 cm diameter and length 152 cm is made of cast iron 2 cm thick. Find the volume of iron used in the

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

0 votes

0 answers

What will happen to the volume of the cube, if its edge is (a) tripled (b) reduced to

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

Hot questions

Categories