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Calculate the value of c for which pair ...

Calculate the value of c for which pair of linear equations cx - y = 2 and 6x - 2y = 4 will have infinitely many solutions.

A

5

B

6

C

3

D

None of these

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Verified by Experts

The correct Answer is:
C
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OSWAL PUBLICATION-SAMPLE PAPER 1-QUESTION BANK
  1. Find the distance of the point A(8, -6) from the origin.

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  2. Find the roots of x+(1)/(x)=2

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  3. Calculate the value of c for which pair of linear equations cx - y = 2...

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  4. The radii of two concentric circles are 4 cm and 5 cm. The difference ...

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  5. If x+y=2500 and x-y=2500 then the value of x is:

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  6. Which triogonometric ratio related the adjacent side and opposite side...

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  7. If x=(8+-sqrt((-8)^2-4xx3xx2))/(2xx3) then the required polynomial is:

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  8. The distance between the points A(-8/5,2)and B(2/5,2) is:

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  9. The values of x and y in 2x+3y=2 and x-2y=8 are:

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  10. If the value of theta is 45^@, then what is the value of sec 45^@?

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  11. The distance of the point (-12,5) from the origin is

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  12. Find the coefficient of x^0 in x^2+3x+2=0.

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  13. Which of the following statement is false?

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  14. Which among the following ratio, is not opposite of each other?

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  15. The LCM of two co-prime numbers is their .

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  16. Suppose angle of depression from top of the tower to point A is 45^(@)...

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  17. The values of x and y in 3x+2y=4 and 2x-3y=7 are:

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  18. A ladder 10 m long reaches a window 8 m above the ground. Find the dis...

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  19. Complete this identity : sec^2theta-1=

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  20. A die is thrown twice. Find the probability that: 5 will not come up...

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