GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 21 Feb 2019, 04:31

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Events & Promotions

Events & Promotions in February
PrevNext
SuMoTuWeThFrSa
272829303112
3456789
10111213141516
17181920212223
242526272812
Open Detailed Calendar

February 21, 2019

February 21, 2019

10:00 PM PST

11:00 PM PST

Kick off your 2019 GMAT prep with a free 7-day boot camp that includes free online lessons, webinars, and a full GMAT course access. Limited for the first 99 registrants! Feb. 21st until the 27th.
• Free GMAT RC Webinar

February 23, 2019

February 23, 2019

07:00 AM PST

09:00 AM PST

Learn reading strategies that can help even non-voracious reader to master GMAT RC. Saturday, February 23rd at 7 AM PT

Yasuo and Chiko are riding their motorcycles to a motorcycle rally 12

Author Message
TAGS:

Hide Tags

Manager
Joined: 07 Jun 2018
Posts: 52
Location: United States
Yasuo and Chiko are riding their motorcycles to a motorcycle rally 12  [#permalink]

Show Tags

20 Jan 2019, 13:29
1
00:00

Difficulty:

35% (medium)

Question Stats:

76% (02:36) correct 24% (03:30) wrong based on 24 sessions

HideShow timer Statistics

Yasuo and Chiko are riding their motorcycles to a motorcycle rally 12 miles away. The radius of Yasuo's front tire is 1.2 feet while the radius of Chiko's front tire is 1.6 feet. Approximately how many more rotations will Yasuo's front tire make than Chiko's front tire over the course of the trip?(5280 feet=1 mile) ( Assume they take the same route)

A. 550

B. 1100

C. 2200

D. 3300

E. 4400
Director
Joined: 18 Jul 2018
Posts: 675
Location: India
Concentration: Finance, Marketing
WE: Engineering (Energy and Utilities)
Re: Yasuo and Chiko are riding their motorcycles to a motorcycle rally 12  [#permalink]

Show Tags

20 Jan 2019, 15:04
Total distnace of the trip = 5280*12.

Total distance traveled in one rotation = circumference of the front tire = 2*π*r.

π is almost equal to 3.

Rotation of Yasuo's tire = 5280*12/(1.2*2*3) = 8800

Rotation of Chiko's tire = 5280*12/(1.6*2*3) = 6600.

Difference = 2200.

Posted from my mobile device
_________________

Press +1 Kudo If my post helps!

Re: Yasuo and Chiko are riding their motorcycles to a motorcycle rally 12   [#permalink] 20 Jan 2019, 15:04
Display posts from previous: Sort by