1.  3

2.  1/3

3.  2

4.  1/2

4
Correct Answer :

3


Explanation :
No Explanation available for this question

1.  (n +1)2n-1

2.  (n +1)2n

3.  n.2n-1

4.  n.2n

4
Correct Answer :

n.2n-1


Explanation :
No Explanation available for this question

1.  1/2(22n_2n Cn)

2.  1/2(2n_2n Cn)

3.  2n_2n Cn

4.  22n_2n Cn

4
Correct Answer :

1/2(22n_2n Cn)


Explanation :
No Explanation available for this question

1.  4√3

2.  2√3

3.  2√10

4.  2√13

4
Correct Answer :

4√3


Explanation :
No Explanation available for this question

1.  ((n – r + 1)x)/r

2.  r/(n – r +1)

3.  1/(n – r + 1)x

4.  r/(n – r+1)x

4
Correct Answer :

r/(n – r+1)x


Explanation :
No Explanation available for this question

1.  1 : 4

2.  2 : 1

3.  1 : 2

4.  1 : 1

4
Correct Answer :

1 : 1


Explanation :
No Explanation available for this question

1.  -15

2.  24

3.  15

4.  -12

4
Correct Answer :

15


Explanation :
No Explanation available for this question

1.  Cannot be decided

2.  S1 = S2

3.  S1< S2

4.  S1> S2

4
Correct Answer :

S1> S2


Explanation :
No Explanation available for this question

1.  x2 + y2 =2a2

2.  x2 + y2 =4a2

3.  x2 + y2 =6a2

4.  x2 + y2 =8a2

4
Correct Answer :

x2 + y2 =2a2


Explanation :
No Explanation available for this question

1.  84

2.  48

3.  -1

4.  1

4
Correct Answer :

84


Explanation :
No Explanation available for this question

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