4 residents do not have a car, so 6 have cars. 3 people have 1 car each
so 15-3 = 12 cars are owned by 3 people
Now 1 person has 4 cars, therefore, rest 2 people owns 8 cars together
Now, we know that both these people own cars
x + y = 8
0 , 8 cannot be a solution as both own cars definitely
1, 7 cannot be a solution as exactly 3 people own 1 car each
2,6 can be a feasible solution therefore highest number of cars owned = 6
In an apartment block there are 10 residents. The number of cars owned by the residents are 15. Four of the residents do not have any car, exactly 3 have one car each and one person has 4 cars. What may be the maximum number of cars owned by any resident?
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4 residents do not have a car, so 6 have cars. 3 people have 1 car each
so 15-3 = 12 cars are owned by 3 people
Now 1 person has 4 cars, therefore, rest 2 people owns 8 cars together
Now, we know that both these people own cars
x + y = 8
0 , 8 cannot be a solution as both own cars definitely
1, 7 cannot be a solution as exactly 3 people own 1 car each
2,6 can be a feasible solution therefore highest number of cars owned = 6
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