Verbal Reasoning - Arithmetic Reasoning - Discussion
Discussion Forum : Arithmetic Reasoning - Section 2 (Q.No. 2)
2.
David gets on the elevator at the 11th floor of a building and rides up at the rate of 57 floors per minute. At the same time, Albert gets on an elevator at the 51st floor of the same building and rides down at the rate of 63 floors per minute. If they continue travelling at these rates, then at which floor will their paths cross ?
Answer: Option
Explanation:
Discussion:
12 comments Page 2 of 2.
Kavi said:
7 years ago
@Monika.
Your exaplanation will be exactly right thank you.
Your exaplanation will be exactly right thank you.
(1)
Aman kumar said:
6 years ago
First find HCF of 57 and 63 = 3.
That means 3 is the highest factor that divides both exactly.
So, David will cover = 11+ 57/3= 30th.
Floor. same as albert= 51-63/3= 30th floor.
That means 3 is the highest factor that divides both exactly.
So, David will cover = 11+ 57/3= 30th.
Floor. same as albert= 51-63/3= 30th floor.
(3)
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