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One cubic metre of copper is melted and ...

One cubic metre of copper is melted and recast into a square cross - section bar 36 m long. An exact cube is cut off from this bar. If 1 cubic metre of copper costs Rs. 108, then the cost of this cube is

A

30 paise

B

40 paise

C

50 paise

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
C
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ARIHANT PUBLICATION PUNJAB-MENSURATION-Chapter Exercise
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  2. The radii of ends of a bucket of height 24 cm are 15 cm and 5 cm. find...

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  3. One cubic metre of copper is melted and recast into a square cross - s...

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  4. The dimensions of a field are 12 m xx 10 m . A pit 5 m long, 4 m, wide...

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  5. A cone of height 7 cm and base radius 1 cm is curved froma conical blo...

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  6. The perimeters of two squares are 40 cm and 32 cm, Find the perimeter ...

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  7. The sides of a triangle are 3 cm, 4 cm and 5 m . The area (in cm^2) of...

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  8. The difference of the areas of two squares drawn on two line segmen...

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  9. In the given figure OABC is a rhombus whose three vertices A,B, C lie ...

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  10. If two adjacent sides of asquare paper are decreased by 20% and 40% r...

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  11. What is the ratio of side and height of an equilateral triangle?

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  12. The radius of an iron rod decreased to one-fourth. If its volume remai...

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  13. The area of a triangle with base x unit is equal to the area of a squ...

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  14. The ratio between the length and perimeter of a rectangular plot is 1 ...

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  15. Diameter of a jar cylindrical in shape is increased by 25%. By what...

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  16. Two square have sides x cma nd (2 x + 1) cm, respectively . The sum of...

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  17. If the circumference of a circle is 3 cm, then its area, in cm^(2) is

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  18. The area of a rectangle is A cm ^(2) and length is l cm. Its perimet...

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  19. A cube has a volume125 cm^(3) . Area of its one face is

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  20. A square and a circle have equal perimeters. The ratio of the area of ...

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