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Find the cost of fencing a semi-circular...

Find the cost of fencing a semi-circular garden of radius 7 m at Rs. 10 per metre.

A

Rs. 720

B

Rs. 360

C

Rs. 180

D

Rs. 90

Text Solution

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The correct Answer is:
B
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PEARSON IIT JEE FOUNDATION-MENSURATION-ASSESSMENT TESTS (Test - 1)
  1. Find the perimeter (in m) of a square whose area is 225 m^(2).

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  2. The area of a square field is 36\ m^2dot A path of uniform width is la...

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  3. The area of a parallelogram is 50cm^(2). If the base is 10 cm, then fi...

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  4. Find the cost of fencing a semi-circular garden of radius 14 m at Rs. ...

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  5. The total surface area of a cube is "726 m"^(2). Find its edge.

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  6. Find the ratio of the lateral surface area and the total surface area ...

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  7. The edges of two cubes are 4 cm and 6 cm. Find the ratio of the volume...

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  9. Find the cost of fencing a field which is in the shape of sector with ...

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  10. If the radius of a wheel is 21 cm, then find how many times it should ...

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  11. A square sheet of side 2 cm is cut from each corner of a rectangular p...

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  12. Find the perimeter (in m) of a square whose area is "256 m"^(2)

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  13. The area of a square field is "64 m"^(2). A path of uniform width is l...

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  14. The area of a parallelogram is 100cm^(2). If the base is 25 cm, then f...

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  15. Find the cost of fencing a semi-circular garden of radius 7 m at Rs. 1...

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  16. In the adjoining figure, ABCD is a square of side 7 cm and two semicir...

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  17. The volume of a cube in 343cm^(3). Find the edge of the cube (in cm).

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  18. The ratio of the volumes of two cubes is 729:1331. What is the ratio o...

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  19. The edge of two cubes are 2 cm and 4 cm. Find the ratio of the volumes...

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