Q: A number of friends decided to go on a picnic and planned to spend ₹ 96 on eatables. Four of them, however, did not turn up. As a consequence, the remaining ones had to contribute ₹ 4 each extra. The number of those friends who attended the picnic is
(a)8
(b)12
(c)16
(d)20
Correct Answer: (a)
The correct answer is (d) '20'. This question from the Science & Technology domain tests knowledge of Health & Diseases.