46 kg
48 kg
50 kg
52 kg '
Answer is Right!
Answer is Wrong!
The correct answer is (b) 48 kg.
The total weight of the 10 people is 10 * 68 = 680 kg.
The total weight of the 9 people is 680 – 2 = 678 kg.
The weight of the new person is 678 – 68 = 48 kg.
Option (a) is incorrect because 46 kg is less than the weight of the person who was replaced.
Option (c) is incorrect because 50 kg is more than the weight of the person who was replaced.
Option (d) is incorrect because 52 kg is more than the weight of the person who was replaced.