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The locus represented by xy+yz=0 is...

The locus represented by `xy+yz=0` is

A

a pair of perpendicular lines

B

a pair of parallel lines

C

a pair of parallel planes

D

a pair of perpendicular planes

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The correct Answer is:
D
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HIMALAYA PUBLICATION-COMMON ENTRANCE TEST - 2018-QUESTION BANK
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  2. The value of k such that the line (x-4)/1=(y-2)/1=(z-k)/2 lies on the ...

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  3. The locus represented by xy+yz=0 is

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  4. The feasible region of an Lpp is shown in the figure. If z= 3x+9y, the...

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  5. For the LPP, maximize z = x + 4y subject to the constraints x + 2y le...

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  6. For the probability distribution given by the standard deviation (sigm...

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  7. A bag contains 17 tickets numbered from 1 to 17. A ticket is drawn at ...

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  8. A flashlight has 10 batteries out of which 4 are dead . If 3 batteries...

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  9. If |x+5| ge 10, then

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  10. Everybody in a room shakes hands with everybody else. The total number...

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  11. The constant term in the expansion of (x^(2)-1/x^(2))^(16) is

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  12. If P(n): "''" 2^(2n)-1 is divisible by k for all n in N"''" is true, ...

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  13. The equation of the line parallel to the line 3x-4y+2=0 and passing th...

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  14. If ((1-i)/(1+i))^(96)=a+ib, then (a,b) is

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  15. The distance between the foci of a hyperbola is 16 and its eccentricit...

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  16. The number of the ways in which 5 girls and 3 boys can be seated in a ...

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  17. If a,b,c are three consevutive terms of an AP and x,y,z are three cons...

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  18. The value of {:(lim),(xrarr0):}(|x|)/x is

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  19. Let f(x) = x - 1/x , then f' (-1) is

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  20. The negation of the statement ' 72 is divisible by 2 and 3' is

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