A couple went for picnic - Puzzle with Answer

A couple went for picnic.

They have 5 sons and each son has 7 sisters and each sister has 3 babies.
So in total how many people went for the picnic?

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This is a question asked in UPSC exam. Solve this puzzle and get prepared for your next competitive exams. Check below for the right answer with explanation.

ANSWER

Answer is 2.
The answer lies in the first line.
A couple went for a picnic….meaning only 2 people went for a picnic.