A) 30
B) 42
C) 48
D) 52
Correct Answer: B
Solution :
Pattern \[=\text{O}=\left( P-R \right)+\left( Q-\text{ }S \right)\] \[O=\left( 23-12 \right)+\left( 42-11 \right)\] \[O=11+31=42\]You need to login to perform this action.
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