Rubi goes to a multiplex at the speed of 3 km/hr to see a movie and reaches 5 minutes late. If she travels at the speed of 4 km/hr she reaches 5 minutes early. The the distance of the multiplex from her starting point is :

Answer: Option A

Solution

Answer: Option A

Solution:

Time difference = (4 - 3) = 1 hr
But, according to the question,
60 × $$\frac{1}{6}$$ = 10 minutes
So, distance = 12 × $$\frac{1}{6}$$ = 2 km