21 | 17 | 13 |
12 | 19 | 19 |
9 | 14 | 17 |
24 | 22 | ? |
A) 12
B) 15
C) 18
D) 20
Correct Answer: B
Solution :
\[(12-9)+21=24\] and\[(19-14)+17=22\] \[\therefore \] \[(19-17)+13=?\]You need to login to perform this action.
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