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

 It is currently 14 Dec 2019, 12:22

### 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

### Show Tags

07 Apr 2019, 11:00
00:00

Difficulty:

35% (medium)

Question Stats:

71% (02:31) correct 29% (02:49) wrong based on 41 sessions

### HideShow timer Statistics

Jack and John undertake a piece of work for $6000. Jack alone could do the work in 6 days and John in 8 days. With the assistance of a Tom, they finish it in 3 days. How much money does Tom get paid? A.$750
B. $1000 C.$820
D. $2000 E.$1200
NUS School Moderator
Joined: 18 Jul 2018
Posts: 1026
Location: India
Concentration: Finance, Marketing
WE: Engineering (Energy and Utilities)
Jack and John undertake a piece of work for $6000. Jack alone could do [#permalink] ### Show Tags 07 Apr 2019, 11:31 2 Jack = 6 days John = 8 days Tom = x days All together, they finish the job in 3 days. $$\frac{1}{6}+\frac{1}{8}+\frac{1}{x} = \frac{1}{3}$$ Solving for x, we get 24 days. Let the total work to be done be LCM(6,8,24) = 24 Jack does 4 units in a day John does 3 units per day Tom does 1 unit per day Work done ratio is 4:3:1 Tom gets paid, $$\frac{1}{8}*6000 = 750$$ A is the answer. Jack and John undertake a piece of work for$6000. Jack alone could do   [#permalink] 07 Apr 2019, 11:31
Display posts from previous: Sort by