1.  3

2.  1

3.  5

4.  21

4
Correct Answer :

3


Explanation :
No Explanation available for this question

1.  100

2.  105

3.  125

4.  75

4
Correct Answer :

100


Explanation :
No Explanation available for this question

1.  P(n) < P(n − 1)

2.  P(n) + P(n − 1) is always a prime

3.  P(n) = 5 is not true for any n

4.  none of these

4
Correct Answer :

P(n) = 5 is not true for any n


Explanation :
No Explanation available for this question

1.  n and n + 1 are always composite

2.  (n−1)!/n2+n is even

3.  a) is true if and only if b) is true

4.   a) is true if and only if b) is false

5.  none of these

5
Correct Answer :

a) is true if and only if b) is true


Explanation :
No Explanation available for this question

1.  30

2.  60

3.  90

4.  a and b

5.  a and c

5
Correct Answer :

30


Explanation :
No Explanation available for this question

1.  13

2.  31

3.  5

4.  None of these

4
Correct Answer :

31


Explanation :
No Explanation available for this question

1.  3/5 

2.  2/3

3.  1/3

4.  3/4

5.  none of these

5
Correct Answer :

1/3


Explanation :
No Explanation available for this question

1.  2

2.  4

3.  5

4.  6

5.  7

5
Correct Answer :

6


Explanation :
No Explanation available for this question

1.  2 hours 24 minutes

2.  4 hours 48 minutes

3.  1 hour 36 minutes

4.  5 hours

4
Correct Answer :

4 hours 48 minutes


Explanation :
No Explanation available for this question

1.  It is always even

2.  Divisible by 3.

3.  Always divisible by the sum of the square of first n natural numbers

4.  Never divisible by 237.

4
Correct Answer :

Never divisible by 237.


Explanation :
No Explanation available for this question

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