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SanuByahutNewbie

Asked: December 4, 2022In: CBSE

A solid metallic sphere of radius 10.5 cm is melted and recast into a number of smaller cones, each of radius 3.5 cm and height 3 cm. Find the number of cones so formed.

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

SanuByahutNewbie

Asked: November 28, 2022In: CBSE

What length of a solid cylinder 2 cm in diameter must be taken to recast into a hollow cylinder of length 16 cm, external diameter 20 cm and thickness 2.5 mm?

Very important question for board exam class 10. This question is from rd sharma class 10 from the mensuration chapter ...Read more

AnilSinghBoraGuru

Asked: July 6, 2022In: CBSE

A cuboidal box of dimensions 1 m × 2 m × 1.5 m is to be painted except its bottom. Calculate how much area of the box has to be painted.

Again this question is also from NCERT Maths books class 10th, chapter 13 mensuration, here a cuboidal box of dimensions ...Read more

AnilSinghBoraGuru

Asked: March 11, 2022In: CBSE

Two cones have their heights in the ratio 1:3 and radii of their bases in the ratio 3:1. Then find the ratio of their volumes.

In this question, two cones has their heights in the ratio 1:3 and radii of their bases in the ratio ...Read more

AnilSinghBoraGuru

Asked: February 15, 2022In: CBSE

If the length, breadth and height of a solid cube are in the ratio 4 : 3 : 2 and total surface area is 832 cm2. Find its volume?

I am getting slightly confused in this question. When i am applying the total surface area formula my x is ...Read more

AnilSinghBoraGuru

Asked: February 15, 2022In: CBSE

An open container made up of a metal sheet is in the form of a frustum of a cone of height 8 cm with radii of its lower and upper ends as 4 cm and 10 cm respectively. Find the cost of oil which can completely fill the container at the rate of Rs. 50 per litre. Also, find the cost of metal used, if it costs Rs. 5 per 100 cm2.

In this question, we have to find two things (i) Cost of oil which can completely fill the container at the ...Read more

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Discy Latest Questions

A solid metallic sphere of radius 10.5 cm is melted and recast into a number of smaller cones, each of radius 3.5 cm and height 3 cm. Find the number of cones so formed.

What length of a solid cylinder 2 cm in diameter must be taken to recast into a hollow cylinder of length 16 cm, external diameter 20 cm and thickness 2.5 mm?

A cuboidal box of dimensions 1 m × 2 m × 1.5 m is to be painted except its bottom. Calculate how much area of the box has to be painted.

Two cones have their heights in the ratio 1:3 and radii of their bases in the ratio 3:1. Then find the ratio of their volumes.

If the length, breadth and height of a solid cube are in the ratio 4 : 3 : 2 and total surface area is 832 cm2. Find its volume?

92.7%* marks in Class 10th.

**92.7%* marks in Class 10th**.