Speed/Distance

BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

This topic has expert replies

Post new topic Post Reply

Previous Topic Next Topic

vaibhav101: Master | Next Rank: 500 Posts; Posts: 138; Joined: Mon May 01, 2017 11:56 pm; Thanked: 4 times

Speed/Distance

by vaibhav101 » Wed Jun 06, 2018 8:56 am

Timer

00:00

Your Answer

Global Stats

A bus can travel with a maximum speed of 100 km/hr. The speed of the bus decreases in the proportion of the increase in the number of persons in the bus. Bus can travel at a speed of 88 km/hr taking 3 people. What will be speed of the bus with 6 people?

A 50 km/hr
B 55 km/hr
C 60 km/hr
D 65 km/hr
E 76 km/hr

Quote

Source: Beat The GMAT — Problem Solving | Wed Jun 06, 2018 8:56 am

GMAT/MBA Expert

Scott@TargetTestPrep: GMAT Instructor; Posts: 8086; Joined: Sat Apr 25, 2015 10:56 am; Location: Los Angeles, CA; Thanked: 43 times; Followed by:29 members

by Scott@TargetTestPrep » Thu Jun 07, 2018 4:18 pm

vaibhav101 wrote:A bus can travel with a maximum speed of 100 km/hr. The speed of the bus decreases in the proportion of the increase in the number of persons in the bus. Bus can travel at a speed of 88 km/hr taking 3 people. What will be speed of the bus with 6 people?

A 50 km/hr
B 55 km/hr
C 60 km/hr
D 65 km/hr
E 76 km/hr

We see that the bus decreases its speed by 12 km/hr when there are 3 people, so if there are 3 more people, the bus will decrease its speed by another 12 km/hr, so the speed will be 76 km/hr when there are 6 people on the bus.

Answer: E

Scott Woodbury-Stewart
Founder and CEO
[email protected]