Q20 . X is standing at an intersection where two roads intersect at right angles. He observes through his binoculars that two cars start moving towards the intersection at the same time along the intersection at the same time along these two roads. One of them is moving at a speed of 13.333 m/s and starts at a point 40 km form the intersection . The second car is moving at 10m/s and starts at a point 50km from the intersection . In how many min from the start will the distance between the two be minimum?
a. 83
b. 62
c. 50
d. (a) or (b)
5-Day Free Trial
5-day free, full-access trial TTP
Available with Beat the GMAT members only code
MORE DETAILS
distance problem
This topic has expert replies
-
hemant_rajput
- Master | Next Rank: 500 Posts
- Posts: 447
- Joined: Sun Apr 22, 2012 7:13 am
- Thanked: 46 times
- Followed by:13 members
- GMAT Score:700
Last edited by hemant_rajput on Mon Feb 04, 2013 7:24 am, edited 1 time in total.
I'm no expert, just trying to work on my skills. If I've made any mistakes please bear with me.
-
hemant_rajput
- Master | Next Rank: 500 Posts
- Posts: 447
- Joined: Sun Apr 22, 2012 7:13 am
- Thanked: 46 times
- Followed by:13 members
- GMAT Score:700
yes it is
I'm no expert, just trying to work on my skills. If I've made any mistakes please bear with me.
