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The external radius of a hollow sphere m...

The external radius of a hollow sphere made of lead sheet of 1 cm thickness in 6cm.. If melting the sphere, a solid circular rod of 2cm radius is made, then find the length of the rod.

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UNITED BOOK HOUSE-HOOGHLY COLLIGIATE SCHOOL-EXERCISE
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  3. If b+c-a/x+y-x = c+a-b/c+x-y = a+bc/x+y-z, then prove that a/x = b/y =...

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  4. State and Prove Pythagoras theorem.

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  5. Answer any One queation : Prove that, if a perpendicular is draw on t...

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  7. ABC is a triangle whose AB = AC. E is any point an extended BC, circum...

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  9. Draw a right angled triangle length of hypotenuse and one of another s...

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  10. In a circle, if an arc of 220 cm length subtends and angle of measure ...

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  17. The length of two sides adjacent to right angle of a right angled tria...

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  18. Calculate the mean of the following data by step devaition method.

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  20. Make a cumulative frequency distribution (greater than type) table and...

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