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By melting a sphere of radius r cm, if a...

By melting a sphere of radius r cm, if a right circular cylinder of same base radius made, then the height of the cylinder is r cm.

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UNITED BOOK HOUSE-SOLPARA HIGH SCHOOL-EXERCISE
  1. If the circle drawn with hypotense of a right angles triabngle as diam...

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  2. Write true or false, Value of sin^2 3 theta+ cos^2 3 theta = 3.

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  3. By melting a sphere of radius r cm, if a right circular cylinder of sa...

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  4. In a circle of radius 21 cm, an arc subtends an angle of 60° at the ce...

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  5. Calculate the difference between compound interest and simple interest...

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  6. In a partnership business of two men, capital and profit share of 1st ...

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  7. If the roots of the equation x^2-6x+6=0 are a and b then find the valu...

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  8. If b alpha a^3 and a increases in 10% then find what percent b will b...

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  9. In triangleABC, angleA is right angle and AD bot BC. If AB:AC = 3:4 an...

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  10. Two chords AB and AC of a circle are mutually perpendicular to each ot...

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  11. Two tangents to a circle at A and B intersect at a point P. If angleAP...

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  12. Prove that cos^2A-sin^2A = (1-tan^2A)/(1+tan^2A).

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  13. If r cos theta = 3 and r sin theta = sqrt3 then find the value of r a...

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  14. The numerical values of volume and total surface is same of a hemisph...

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  15. Length of diagonal of a cube is 6sqrt3 cm. Calculate the volume of the...

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  16. If ui = (xi - 35)/(10), sumfiui =30 and sumfi = 60, then determine the...

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  17. The simple interest and compound interest of some amount of money in 2...

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  18. In a business A invests Rs 12,00. After some days B joins the busines...

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  19. Solve: x/(x+1)+(x+1)/x= 2 1/12(x!=0,-1)

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  20. If the difference between a proper fraction and its reciprocal is 9/20...

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