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The length and breadth of a rectangular field of the village are 20m and 15 m respectivley. For construction of pillars in the 4 corners of that filed 4 cubic holes having length of 4 m are dug out and the soils removed are dispersed on the remaining land. Calculate 6 and write the height of the surface of field that is increased by.

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The length and breadth of n rectangular field of a village are 20 m and 15 m respectively. For construction of pillars in the 4 corners of that field 4 cubic holes huving length of 4 m are dug out and the soils removed arc dispersed on the remaining land. Calculate the height of the surfaces of the field that is increased by it.

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The length and breadth of a rectangular land are 20 metres and 14 metres. A hole of length 6 metres,. of breadth 3 metres and of depth 2·5 metres is dug in one corner of the land. If the soil of this hole be strewed upon whole land, then how much the height of the land should be increased ?

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UNITED BOOK HOUSE-HOOGHLY COLLIGIATE SCHOOL-EXERCISE
  1. If x prop y and y prop z, then prove that : (x^2+y^2+z^2) prop (xy+yz+...

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  2. If (x^2-yz)/a=(y^2-zx)/b=(z^2-xy)/c , show that (a+b+c)(x+y+z)=(ax+by...

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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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  6. If in ABC,A is right angle and BP and CQ are two medians, then prove 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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  8. Geometrically find the value of sqrt(29).

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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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  11. If sin theta+cos theta = 7/5 then sin theta cost theta = 12/25, find t...

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  12. Find the value of (sin 25^@)/(sec65^@)+(cos 25^@)/(cosec 65^@).

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  13. From a point on the roof a house 11 metres height, it is observed that...

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  14. If the angle of depression of two consecutive km stones on a road fro...

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  15. The length and breadth of a rectangular field of the village are 20m a...

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  16. The external radius of a hollow sphere made of lead sheet of 1 cm thic...

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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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  19. Find themode of the following frequency distribution.

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

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