If A and B are independent events then P(A/B)=

1.  P(A)

2.  P(B)/P(A)

3.  P(B)

4.  P(A).P(B)

View Answer  
4
Correct Answer :

P(A)


Explanation :
No Explanation available for this question

If A and B are two events such that

1.  5/8

2.  3/8

3.  1/8

4.  2/8

View Answer  
4
Correct Answer :

1/8


Explanation :
No Explanation available for this question

A lot consists of 12 good pencils, 6 with minor defects and 2 with major defects. A pencil is drawn at random. The probability that this pencil is not defective is

1.  3/5

2.  3/10

3.  2/5

4.  1/2

View Answer  
4
Correct Answer :

3/5


Explanation :
No Explanation available for this question

Pole of the line x-2y+3=0 with respect to y2=4x is

1.  (4,3)

2.  (3,4)

3.  (1,2)

4.  (2,1)

View Answer  
4
Correct Answer :

(3,4)


Explanation :
No Explanation available for this question

Area of the triangle formed by the vertex, focus and one end of latusrectum of the parabola (x+2)2=-12(y-1) is

1.  18

2.  36

3.  12

4.  9

View Answer  
4
Correct Answer :

9


Explanation :
No Explanation available for this question

If (2,4), (p,6) are conjugate points with respect to y2=16x then the value of p is

1.  -2

2.  5

3.  -3

4.  1

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

One extremity of a focal chord of y2=16x is A(1,4). Then the length of the focal chord at A is

1.  25/4

2.  25/2

3.  15/2

4.  25

View Answer  
4
Correct Answer :

25


Explanation :
No Explanation available for this question

The ordinate of a point on the parabola y2=18x is one third of its length of the latusrectum . Then the length of the subtangent at the point is

1.  12

2.  8

3.  6

4.  4

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

If the polar of P w.r.t y2=4ax touches the circle x2+y2=4a2 then the locus of P is

1.  2x2-y2=4a2

2.  x2-2y2=4a2

3.  x2-y2=4a2

4.  3x2-y2=a2

View Answer  
4
Correct Answer :

x2-y2=4a2


Explanation :
No Explanation available for this question

PSQ is a focal chord of the parabola y2=16x. If P=(1,4) then SP/SQ=

1.  3/4

2.  2/3

3.  1/9

4.  1/4

View Answer  
4
Correct Answer :

1/4


Explanation :
No Explanation available for this question
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