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The four walls and ceiling of a room of ...

The four walls and ceiling of a room of length 25 m, breadth 12 m and height 10 m are to be painted. Painter A can paint `200 m^(2)` in 5 days, Painter B can paint `250 m^(2)` in 2 days. If A and B work together, they will finish the job in:

A

6 days

B

`6 10/33` days

C

`7 10/33` days

D

8 days

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CHAMPION PUBLICATION-2016 TIER-II PAPER(16)-EXERCISE
  1. A solid sphere and a solid hemisphere have the same total surface area...

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  2. The sides of a triangle are in the ratio (1)/(2) : (1)/(3) : (1)/(4) a...

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  3. The four walls and ceiling of a room of length 25 m, breadth 12 m and ...

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  4. The base of a right prism is a trapezium whose length of parallel side...

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  5. The external and the internal radii of a hollow right circular cylinde...

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  6. The length and breadth of a rectangular piece of a land are in a ratio...

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  7. The ratio between the area of a square and that of a circle, when the ...

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  8. A piece of wire 132 cm long is bent successively in the shape of an eq...

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  9. If a cone is cut into two parts by a horizontal plane passing through ...

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  10. Two regular polygons are such that the ratio between their number of s...

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  11. In an isosceles triangle, the length of each equal side is twice the l...

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  12. A right circular cylinder is partially filled with water. Two iron sph...

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  13. The whole surface area of a pyramid whose base is a regular polygon is...

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  14. If p = 99 then the values of p ( p ^(2) + 3p + 3) is

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  15. If x+1/x=c+1/c then the value of x यदि x+1/x=c+1/c तो x का मान बताइए

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  16. If the sum of squares of two real numbers is 41 and their sum is 9, th...

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  17. A complete factorisation of ( x ^(4) + 64) is

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  18. If a + b = 1 then a^(4) + b^(4) - a^(3) - b^(3)- 2a^(2) b^(2) + ab ...

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  19. If x ^(2) + y ^(2) + 6x + 5 =4 (x-y) then x-y is

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  20. If a = 299, b = 298 , c = 297 then the value of 2a ^(3) + 2b ^(3) + 2...

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