Direction: Complete the series by choosing the correct option. |
6, 18, 3, 21, 7, 56, ? |
A) 35
B) 8
C) 63
D) 9
Correct Answer: B
Solution :
On the basis of the information given in the questions, we find that C and D can take three positions as shown in the diagram following the restriction that C and D cannot be together.You need to login to perform this action.
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