A) Amit is signing and Bharat has a headache
B) Bharat has a headache but Amit is not necessarily singing
C) Amit is singing but Bharat does not necessarily have a headache
D) Amit is not singing
Correct Answer: D
Solution :
Since, if Amit sings, then Bharat gets a headache and Chandu complains. Then we're told that Chandu is not complaining. Using the contrapositive, we get the following logic. If Bharat doesn't have a headache and/or if Chandu isn't complaining, then Amit must not be singing. So, if Chandu is not complaining then there is no way that Amit is singing.
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