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If x+y+z=0, then what is the value of (3...

If x+y+z=0, then what is the value of `(3y^2+x^2+z^2)//(2y^2-xz)`?

A

a) 2

B

b) 1

C

c) `3//2`

D

d) `5//3`

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CHAMPION PUBLICATION-2017 TIER-II PAPER(7)-EXERCISE
  1. What is the value of 14^3+16^3+18^3+……+30^3

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  2. What is the value of sqrt(4600+sqrt(540+sqrt(1280+sqrt(250)+sqrt(36)))...

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  3. If x+y+z=0, then what is the value of (3y^2+x^2+z^2)//(2y^2-xz)?

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  4. If P=7+4sqrt(3) and PQ=1, then what is the value of (1)/(P^(2))+(1)/(Q...

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  5. If a^3+ 3a^2 + 9a = 1, then what is the value of a^3+ (3//a)?

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  6. x, y and z are real numbers . If x^(3) + y^(3) + z^(3) = 13 , x + y ...

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  7. If ((a + b))/( c) = (6)/( 5) and (( b + c))/( a) = (9)/(2) , then w...

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  8. If x^(3) + y^(3) + z^(3) = 3 ( 1 + xyz) , P =- y + z - x , Q = z + x...

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  9. If x1 x2 x3=4(4+x1+x2+x3), then what is the value of [1//(2+x1)]+[1//(...

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  10. If alpha and beta are the roots of equation x^(2) - x + 1 = 0 , th...

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  11. If 3 x + 5y + 7 z = 49 and 9 x + 8y + 21 z = 126 , then what is th...

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  12. Cost of 4 pen, 6 note books and 9 files is Rs. 305. Cost of 3 pens,4 n...

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  13. ABC is rt angled triangle angleBAC=90^(@) and angleACB=60^(@). What i...

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  14. In the given figure, ABCD is a square whose side is 4 cm. P is a point...

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  15. triangle ABC is similar to triangle PQR and AB: PQ = 2: 3. AD is the m...

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  16. In the given figure, B and C are the centres of the two circles. ADE i...

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  17. In the given figure, AB = 30 cm and CD = 24 cm. What is the value (in ...

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  18. AB and AC are the two tangets to a circle whose radius is 6cm. If angl...

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  19. In the given figure, ABC is a right angled triangle. angleABC=90^(@) a...

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  20. In the given figure. 0 is centre of the circle. Circle has 3 tangents....

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