Verbal Reasoning - Arithmetic Reasoning - Discussion

Discussion :: Arithmetic Reasoning - Section 1 (Q.No.37)

37. 

In a class, 20% of the members own only two cars each, 40% of the remaining own three cars each and the remaining members own only one car each. Which of the following statements is definitely true from the given statements ?

[A]. Only 20% of the total members own three cars each.
[B]. 48% of the total members own only one car each.
[C]. 60% of the total members own at least two cars each.
[D]. 80% of the total members own at least one car.
[E]. None of these

Answer: Option B

Explanation:

Let total number of members be 100,

Then, number of members owning only 2 cars = 20.

Number of members owning 3 cars = 40% of 80 = 32.

Number of members owning only 1 car = 100 - (20 + 32) = 48.

Thus, 48% of the total members own one car each.


Vaishnavi said: (Nov 3, 2018)  
Please explain step 3, I can't understand it. Anyone help me.

Tharini said: (Jun 30, 2019)  
Not understanding the solution, please explain it clearly.

Irish said: (Jul 25, 2019)  
How come 80 here? Please explain me.

Jane said: (Jul 25, 2019)  
Where did "80" come from?

Vki said: (Sep 13, 2020)  
It is already said that 20 persons own only 2 cars. So, (100-20=80) those are remaining students.

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