Math, asked by yashpaikhot99, 1 month ago

The average weight of a group of 10 persons was 16 kg. When a person, having a weight of 15 kg was replaced by another person, it became 18 kg. Find the weight of the newly included person.

1.39 kg
4. 30 kg
2. 35 kg
5. 28 kg
3. 20 kg

Answers

Answered by rr205192

1

1 person = 16kg

10 persons = 160kg

160-15 = 145kg

We need 18kg for one person 180kg for 10 persons

180-145= 35kg

hence proved

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