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## The diameter of a metallic sphere is equal to 9 cm. It is melted and drawn into a long wire of diameter 2 mm having uniform cross-section. Find the length of the wire.

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This question is from r d sharma class 10 maths. I found this question while doing maths class 10. I need ...Read more

Newbie

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

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In this question we have to find edges of the three cubes having cubes of a metal whose edges are ...Read more

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## How many spherical lead shots each of diameter 4.2 cm can be obtained from a solid rectangular lead piece with dimensions 66 cm × 42 cm × 21 cm.

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If you open math book you will find a lot of mathematical questions but you should have solve this question. It ...Read more

## How many spherical bullets each of 5 cm in diameter can be cast from a rectangular block of metal 11dm x 1 m x 5 dm?

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In this question we have toh find number of bullets of 5 cm daimeter which can be cast from rectangular ...Read more

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## A spherical shell of lead, whose external and internal diameters are 24 cm and 18 cm, is melted and recast into a right circular cylinder 37 cm high. Find the diameter of the base of the cylinder

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This problem is the shell problem. Problem from RS Aggarwal book, problem number 12, page number 810, exercise 17B, chapter ...Read more

Newbie

## A 5-m-wide cloth is used to make a conical tent of base diameter 14 m and height 24 m. Find the cost of cloth used at the rate of 25 per meter.

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This is the important question in the exam point of view because this question was ask in 2014 cbse board ...Read more