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The area of a rectangle is thrice that o...

The area of a rectangle is thrice that of a square. The length of the rectangle is 20 cm and the breadth of the rectangle is `(3)/(2)` times that of the side of the square. The side of the square, (in cm) is

A

10

B

20

C

30

D

60

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CHAMPION PUBLICATION-2013 TIER-II PAPER(21)-EXERCISE
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  9. A rectangular block of metal has dimensions 21cm, 77 cm and 24 cm the ...

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  10. If a right circular cone of height 24 cm has a volume of 1232 cm^3, th...

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  11. The diameter of a circular wheel is 7 m. How many revolutions will it ...

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  12. The area of an equilateral triangle is 9 sqrt3 m^2. The length (in m) ...

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  14. How many tiles, each 4 decimetre square, will be required to cover the...

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  15. If the surface areas of two spheres are in the ratio 4:9 , then the ra...

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  16. If x= y = 333 and z = 334, then the values of x^3 + y^3 +z^3-3xyz is- ...

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  17. If ( x - a^(2))/( b + c) +( x - b^(2))/( c + a) + (x - c^(2))/( a + b...

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  18. If ( x - a) ( x - b) = 1 and a - b + 5 = 0 , then the value of ( x -...

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  19. If sqrtx= sqrt3-sqrt5, then the value of x^2-16x+6 is : यदि sqrtx= s...

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  20. sqrt(2 root(3)(4 sqrt(2 root (3)(4 sqrt(2 root (3)(4...))))))=?

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