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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 ?

The length and breadth of a rectangular coil are 10cm and 8cm, respectively and the coil contains 500 turns . IF it is rotated with an angular velocity of 1200rad//min in a magnetic field of intensity 10Wb m^-2 , find out the peak value of the inducted emf.

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UNITED BOOK HOUSE-DAULATPUR DALUICACHA BHARATI VIDYALAYA-EXERCISE
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  2. What should be added to each of 6,15,20 and 43 to make the sums propo...

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  3. If x/(lm-n^2)=y/(mn-l^2)=z/(nl-m^2), then show that lx+my+nz=0

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  4. Prove that opposite angles of a cyclic quadrilateral are supplementary

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  5. Prove that the front angle formed at the centre of a circle by an arc,...

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  6. Two circles interest at A and B. P is a point on produced BA. PT and P...

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  7. AB and CD are two chords of a cricle. Extended BA and CD intersect at ...

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  8. Draw a triangle ABC whose BC = 5cm, BA = 5.5 cm and angleABC = 70^@ dr...

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  9. Geometrically calculate the value of sqrt(23). (Only traces of constru...

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  10. Find the value of cot^2 30^@-2cos^2 60^@- 3/4 sec^2 45^@-4sin^2 30^@.

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  11. If angleA+angleB = 90^@, show that 1+ (tan A)/(tan B) = sec^2A.

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  12. If 5 sin^2 theta+4 cos^2 theta = 9/2 , find the value of tan theta.

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  13. From a point on the roof of five storied building the angle of elevati...

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  14. A man standing in the midst of a field observes, a flying bird in his...

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  15. The length of the base diameter of a wooden toy of conical shape is 10...

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

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  17. The length of outer an inner diameter of a right circular cylindrical ...

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  18. If the mean of the following frequency distribution table is 24 then f...

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  19. Calculate the median of the following data

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  20. Find the mode of the following data

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