HSPA wrote:Kindly ping Mitch Hunt(GMAT guru)... He is a teacher by profession.. I am doubting if my explanation is sufficent.
Mitch can you put down your words and approach for this.
I received a PM asking me to comment.
HSPA's approach is brilliant. Below is a drawing that illustrates how the trains will meet for the first time after 1 hour of travel and for second time after 2 hours of travel.
The distance between the 2 meeting points is 30 miles.
The correct answer is
B.
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