6 persons are sitting in a car. The average weight of all six persons ...
Weight of the car = (180 × 7 – 72 × 6) = 828 kg
Hence, Option B is correct.
View all questions of this test6 persons are sitting in a car. The average weight of all six persons ...
Given Information:
- Average weight of 6 persons = 72 kg
- Average weight of car and 6 persons = 180 kg
Calculating Total Weight of 6 Persons:
- Total weight of 6 persons = 6 x 72 = 432 kg
Calculating Total Weight of Car and 6 Persons:
- Total weight of car and 6 persons = 180 x 7 = 1260 kg (6 persons + car)
Calculating Weight of Car:
- Weight of car = Total weight of car and 6 persons - Total weight of 6 persons
- Weight of car = 1260 kg - 432 kg = 828 kg
Therefore, the weight of the car is 828 kg, which corresponds to option B.