If

1.  π/4

2.  π/3

3.  2π/3

4.  π/2

View Answer  
4
Correct Answer :

π/3


Explanation :
No Explanation available for this question

If are mutually perpendicular unit vectors, then

1.  √2

2.  1

3.  √3

4.  0

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4
Correct Answer :

√3


Explanation :
No Explanation available for this question

A unit vector perpendicular to

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

are the continuous edges of parallelopiped of volume 2 cubic, then value of λ is:

1.  1

2.  2

3.  3

4.  4

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4
Correct Answer :

4


Explanation :
No Explanation available for this question

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
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Two unbiased six faced dice j re thrown. The probability that the sum of numbers of faces of them is a prime number greater than '5', is .....

1.  1/6

2.  1/4

3.  2/9

4.  4/9

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4
Correct Answer :

2/9


Explanation :
No Explanation available for this question

If A and B are  two events  such  that then P(A∪B)=5/6, P(A∩B)=1/3, P(A)=2/3, then A and B are:

1.  dependent events

2.  independent events

3.  mutually exclusive events

4.  mutually exclusive and independent

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4
Correct Answer :

independent events


Explanation :
No Explanation available for this question

The probability of choosing at randam a number which is divisible by 6 or 8 from among 1 to 90, is ....

1.  1/6

2.  11/90

3.  1/30

4.  23/90

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4
Correct Answer :

23/90


Explanation :
No Explanation available for this question

If the mean and variance of a binomial variable X are respectively 35/6 and 35/36, then the probability of X>6 is:

1.  1/2

2.  57/67

3.  1/76

4.  none of these

View Answer  
4
Correct Answer :

57/67


Explanation :
No Explanation available for this question

ABCD is a parallelogram, with AC, BD as diagonals, then

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question
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