Quant Quiz- series

In each of the following number series, a wrong number is gievn. Find out the wrong number.

1. 2  3  6  18  109  1944  209952
A 3
B 6
C 18
D 109
E 1944


2. 1  3  6  11  20  39  70
A 3
B 39
C 11
D 20
E 6

3. 2  13  27  113  561  3369  23581
A 13
B 27
C 113
D 561
E 3369

4. 50  51  47  56  42  65  29
A 51
B 47
C 56
D 42
E 65

5. 2  4  5  8  13  21  34
A 4
B 5
C 8
D 13
E 21

Ans-
1- D
2- B
3- A
4- D
5- A

Explanation
1.
2*3= 6
6*3= 18
18*6 = 108 not 109 so answers is D
108*18= 1944
1944*108= 209952



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