| Direction: What should come in place of question mark (?) in the following number series? |
| 20 13 24 11 28 ? |
A) 9
B) 12
C) 8
D) 7
E) 15
Correct Answer: A
Solution :
The series is -7, +11, -13, +17, -19, ie 20 - 7= 13, 13 + 11 = 24, 24 -13 = 11, 11+17=28, 28-19=9,...
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