1.  4 

2.  5

3.  16/3 

4.  16/5 

5.  none of these

5
Correct Answer :

16/3 


Explanation :
No Explanation available for this question

1.  either p is a prime or q is a prime

2.  if p, q is a prime then r is also a prime

3.  p, qandr can never be primes.

4.  I and II

5.  II and III

5
Correct Answer :

if p, q is a prime then r is also a prime


Explanation :
No Explanation available for this question

1.  8

2.  12

3.  16

4.  24

5.  6

5
Correct Answer :

24


Explanation :
No Explanation available for this question

1.  0

2.  1

3.  2

4.  4

5.  none of these

5
Correct Answer :

1


Explanation :
No Explanation available for this question

1.  1

2.  3

3.  5

4.  6

5.  2

5
Correct Answer :

2


Explanation :
No Explanation available for this question

1.  0

2.  1

3.  2

4.  3

5.  none of these

5
Correct Answer :

2


Explanation :
No Explanation available for this question

1.  cannot be formed

2.  can be formed in exactly two ways

3.  can be formed in exactly one way

4.  none of these

4
Correct Answer :

can be formed in exactly one way


Explanation :
No Explanation available for this question

1.  She can have 4 ages

2.  She can have 2 ages

3.  given that all primes are distinct she can have only one age

4.  a and c

5.  b and c

5
Correct Answer :

b and c


Explanation :
No Explanation available for this question

1.  5/7

2.  3/7

3.  3/5

4.  1/3

4
Correct Answer :

3/7


Explanation :
No Explanation available for this question

1.  1/63

2.  2/35

3.  2/63

4.  9/14

4
Correct Answer :

2/63


Explanation :
No Explanation available for this question

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