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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

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## A bag contains 10 red, 5 blue and 7 green balls. A ball is drawn at random. Find the probability of this ball being not a blue ball.

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This question is from probability chapter class 10th ncert/icse both boards included in this question A bag is given which ...Read more

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## PQ is a chord of length 8 cm of a circle of radius 5 cm. The tangents P and Q intersect at a point T. Find the length TP.

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This is a very Important NCERT Maths question Circles chapter 10 example 3, well I have solved the complete exercises ...Read more