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If p + m = 6 and p ^(3) + m ^(3) = 72, t...

If `p + m = 6 and p ^(3) + m ^(3) = 72,` then the value of pm is :

A

12

B

8

C

6

D

9

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CHAMPION PUBLICATION-2014 TIER-II PAPER(19)-EXERCISE
  1. If the side of a square is (1)/(2)(x+1) units and its diagonal is (3-x...

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  2. If 2s = a +b + c, then the value of s (s -c ) + (s -a) (s-b) is :

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  3. If p + m = 6 and p ^(3) + m ^(3) = 72, then the value of pm is :

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  4. Where x ^(m) is multiplied by x ^(n) product is 1. The relation betwee...

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  5. The area (in sq. unit) of the triangle formed by the graphs of the equ...

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  6. If (2p)/( p ^(2) - 2p +1) = (1)/(4), then the value of p + (1)/(p) wil...

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  7. If the ordinate and abscissa of the point (k, 2 k - 1) be equal...

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  8. ABC is a triangle in which DE||BC and AD:DB = 5:4. Then DE:BC is

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  9. The radii of two concentric circles are 17 cm and 25 cm. A straight li...

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  10. AB is a diameter of a circle with centre O. The tangents at C meets AB...

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  11. For an equilateral triangle, the ratio of the inradius and the outer-r...

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  12. If a and b are the lengths of the sides of a right triangle whose hypo...

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  13. The circumference of a triangle is 24 cm and the circumference of its ...

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  14. If the length of each of two equal sides of an isosceles triangle is 1...

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  15. Let P and Q be two points on a circle with centre O. If two tan gents ...

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  16. The length of the diagonal of a rectangle with sides 4 m and 3m would ...

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  17. If the sides of a triangle are in the ratio 3 : 1 1/4 :3 1/4. then the...

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  18. The value of theta(0lethetale90^(@)) satisfying 2sin^(2)theta=3costh...

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  19. a, b, c are the lengths of three sides of a DeltaABC. If a, b, c are r...

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  20. If a sin theta+b cos theta=c, then a cos theta- b sin theta is equal t...

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