As we can clearly see, that Rani had kidnapped the child because she was desperate for another child. Hence B is the effect and A is the principal cause.
The correct answer is (B) : If 'A' is the immediate and principal cause and 'B' is its effect.
Statement:
In a village there are 1200 voters. The number of female voters is more than 50%.
Conclusions:
I. The village has 600 female voters.
II. Female voters are the majority in the village.