# The position vectors of P and Q are respectively then the position vector of R is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# are collinear, then a is equal to

1.  - 40

2.  - 20

3.  20

4.  40

4

- 40

Explanation :
No Explanation available for this question

# If the position vectors of A, B and C are respectively

1.  0

2.  6/41

3.  35/41

4.  1

4

35/41

Explanation :
No Explanation available for this question

1.  -1

2.  √10+√6

3.  √10-√6

4.  √59

4

√59

Explanation :
No Explanation available for this question

# If A and B are independent events of a random experiment such that P(A∩

1.  1/4

2.  1/3

3.  1/2

4.  2/3

4

1/2

Explanation :
No Explanation available for this question

# Let S be the sample space of the random experiment of throwing simultaneously two unbiased dice with six faces (numbered 1 to 6) and let Ek = {(a,b)∈

1.  P1 < P30 < P4 < P6

2.  P36< P6< P2< P4

3.  P1 < P11< P4 < P6

4.  P36< P11 < P6< P4

4

P1 < P30 < P4 < P6

Explanation :
No Explanation available for this question

# For k = 1, 2, 3 the box BK contains k red balls and (k + 1) white balls. Let P(B1) = 1/2, P(B2) = 1/3 and P(B3) =1/6. A box is selected at random and a hall is drawn from it.If a red ba

1.  35/78

2.  14/39

3.  10/13

4.  12/13

4

14/39

Explanation :
No Explanation available for this question

# The distribution of a random variable X is given below X=x

1.  1/10

2.  2/10

3.  3/10

4.  7/10

4

1/10

Explanation :
No Explanation available for this question

# If X is a passion Poisson variate such that P(X = 1) = P( X = 2 ), then P( X = 4 ) is equal to

1.  1/2e2

2.  1/3e2

3.  2/3e2

4.  1/e2

4

2/3e2

Explanation :
No Explanation available for this question

# If the sum of the distances of a point P from two perpendicular lines in a plane is 1, then the locus of P is a

1.  rhombus

2.  circle

3.  straight Line

4.  pair of straight lines

4