The angle between the lines formed by joining the points (2, -3) (-5, +1) and (7, -1), (0, 3) is:

1.  π/2

2.  π/4

3.  0

4.  π/6

View Answer  
4
Correct Answer :

0


Explanation :
No Explanation available for this question

The variable line x/a+y/b=1 is such that a+b=10, the locus of the midpoint of the portion of the line intercepted between the axes is:

1.  x+y=10

2.  10x+5y=1

3.  x+y=5

4.  5x+10y=1

View Answer  
4
Correct Answer :

x+y=5


Explanation :
No Explanation available for this question

The equation of the tangent to the curve 6y=7-x3 at (1, 1) is:

1.  2x+y=3

2.  x+2y=3

3.  x+y=1

4.  x+y+2=0

View Answer  
4
Correct Answer :

x+2y=3


Explanation :
No Explanation available for this question

The percentage error in measuring the side of a cube is 0.5. The percentage error in its volume is:

1.  1/2

2.  1

3.  3/2

4.  2

View Answer  
4
Correct Answer :

3/2


Explanation :
No Explanation available for this question

If y(x2-1)n, then (x2-1)yn+2+ 2xyn+1 is equal to:

1.  (n2+1)yn

2.  (n2-1)yn

3.  (n2+1)yn

4.  n(n+1)yn

View Answer  
4
Correct Answer :

n(n+1)y<sub>n</sub>


Explanation :
No Explanation available for this question

The slope of the normal to the curve x=a(θ-sin θ), y=a(1-cos θ) at θ=π/2 is:

1.  0

2.  1

3.  -1

4.  1/√2

View Answer  
4
Correct Answer :

-1


Explanation :
No Explanation available for this question

From the origin, chords are drawn to the circle x2+y2-2y=0. The locus of the middle point of these chords is:

1.  x2+y2-y=0

2.  x2+y2-x=0

3.  x2+y2-2x=0

4.  x2+y2-x-y=0

View Answer  
4
Correct Answer :

x<sup>2</sup>+y<sup>2</sup>-y=0


Explanation :
No Explanation available for this question

If the circles of same radius 'a' and centers at (2, 3) and (5, 6) cut orthogonally, then a is:

1.  3

2.  4

3.  6

4.  10

View Answer  
4
Correct Answer :

3


Explanation :
No Explanation available for this question

The radius of the circle which has the lines x+y-1=0 and x+y-9=0 as  tangent is:

1.  √2

2.  2√2

3.  3/√2

4.  4/√2

View Answer  
4
Correct Answer :

2&#8730;2


Explanation :
No Explanation available for this question

Axis of the parabola x2-3y-6x+6=0 is:

1.  x=-3

2.  y=-1

3.  x=3

4.  y=1

View Answer  
4
Correct Answer :

x=3


Explanation :
No Explanation available for this question
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