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If x-1/x = 3. The value of x^2-1/x^2 is-...

If `x-1/x = 3`. The value of `x^2-1/x^2` is-

A

2

B

12

C

10

D

11

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UPKAR PUBLICATION -PRACTICE SET -6-Part-III (Quantative Aptitude)
  1. A rectangular field is 90 m xx 50 m. Inside the field there is path of...

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  2. Value of k for which (x-2) is a factor of (x^2-kx+2) is-

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  3. If x-1/x = 3. The value of x^2-1/x^2 is-

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  4. Diameter of a roller is 2.4 m and it is 1.68 long. If it takes 1000 co...

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  5. If each edge of a cube is increased by 10% then by how much per cent w...

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  6. The value of cos 105^@ + sin 105^@ is

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  7. The value of sin ( 67 (1@)/2 ) sin ( 22 (1@)/2) is

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  8. root3(x^6)div root3(x^(12))xx x^(-3) xx root3(x^9) is equivalent to-

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  9. Which of the following is false for two congruent triangles?

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  10. What will come in place of the question-mark (2) in the following ques...

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  11. What will come in place of the question-mark (2) in the following ques...

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  12. What will come in place of the question-mark (2) in the following ques...

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  13. What will come in place of the question-mark (2) in the following ques...

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  14. What will come in place of the question-mark (2) in the following ques...

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  15. What will come in place of the question-mark (2) in the following ques...

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  16. What will come in place of the question-mark (2) in the following ques...

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  17. What will come in place of the question-mark (2) in the following ques...

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  18. What will come in place of the question-mark (2) in the following ques...

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  19. What will come in place of the question-mark (2) in the following ques...

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  20. What will come in place of the question-mark (2) in the following ques...

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