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## An iron spherical ball has been melted and recast into smaller balls of equal size. If the radius of each of the smaller balls is 1/4 of the radius of the original ball, how many such balls are made? Compare the surface area, of all the smaller balls combined together with that of the original ball.

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In this question we have to find the no. Of balls and compare the ratio of combined surface area of ...Read more

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## How many spherical lead shots of diameter 4 cm can be made out of a solid cube of lead whose edge measures 44 cm.

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One of the important question for the board exam class 10 from mensuration chapter. This question is from r d sharma ...Read more

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## Find the number of metallic circular discs with 1.5 cm base diameter and of height 0.2 cm to be melted to form a right circular cylinder of height 10 cm and diameter 4.5 cm.

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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

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## 25 circular plates, each of radius 10.5 cm and thickness 1.6 cm, are placed one above the other to form a solid circular cylinder. Find the curved surface area and the volume of the cylinder so formed.

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I would like to give a question which i could not solve. Rd sharma class 10 maths exercise-16.1 mensuration. In tbis question ...Read more

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## 50 circular plates each of diameter 14 cm and thickness 0.5 cm are placed one above the other to form a right circular cylinder. Find its total surface area.

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Very important question of mensuration including very important concept of it. need solution! Rd sharma class 10 maths exercise-16.1 mensurationRead more

## 2.2 cubic dm of brass is to be drawn into a cylindrical wire of 0.25 cm in diameter. Find the length of the wire?

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This question is of chapter 16, exercise 16.1 mensuration from rd sharma. In this question we have to find length of ...Read more

## A spherical ball of radius 3 cm is melted and recast into three spherical balls. The radii of the two of the balls are 2 cm and 1.5 cm respectively. Determine the diameter of the third ball?

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Please some help me with the solution. This question is from maths class 10 rd sharma, chapter 16, exercise 16.1 ; ...Read more