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## If the radius of the base of a cone is doubled keeping the height same. What is the ratio of the volume of the larger cone to the smaller cone?

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This is a very important question of NCERT book class 10th chapter 13 mensuration Maths, These type of questions are ...Read more

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## A solid iron pillar has some part in the form of a right circular cylinder and the remaining in the form of a right circular cone. The radius of the base of each part is 8 cm. The cylindrical part is 240 cm high and the conical part is 36 cm high. Find the weight of the pillar, if the density of iron is 7.8 gm

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I always get stuck in these type of questions, can some one help me to find the answer for this ...Read more

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## If the radius of the base of a cone is doubled, keeping the height the same, what is the ratio of the volume of the larger cone to the smaller cone?

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Well in this question we have to double the radius of the base of a cone, keeping the height the ...Read more

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## A iron pillar has some part in the form of a right circular cylinder and remaining in the form of a right circular cone. The radius of the base of each of cone and cylinder is 8 cm. The cylindrical part is 240 cm high and the conical part is 36 cm high. Find the weight of the pillar if 1cm cube of iron weighs 7.8 grams.

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This question is very tricky and also very important. i am not able to calculate it properly. My answer is ...Read more