5 | 5 | 2 |
2 | 4 | 1 |
8 | 3 | 10 |
40 | 30 | ? |
A) 10
B) 12
C) 13
D) 20
Correct Answer: A
Solution :
In the first column,\[\frac{5\times 2\times 8}{2}=40\] In the second column,\[\frac{5\times 4\times 3}{2}=30\] \[\therefore \] Missing number\[=\frac{2\times 1\times 10}{2}=[10]\]You need to login to perform this action.
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