Math Expert Joined: 02 Sep 2009 Posts: 87961
If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink]
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Question Stats: Hide Show timer StatisticsIf it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?A. 1 minuteB. 5 minutesC. 10 minutesD. 15 minutes E. 100 minutes _________________
Senior Manager Joined: 19 Oct 2013 Posts: 438 Location: Kuwait GPA: 3.2 WE:Engineering (Real Estate)
Re: If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink]
Bunuel wrote: If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?A. 1 minuteB. 5 minutesC. 10 minutesD. 15 minutes E. 100 minutes if 5 machines finish 5 widgets in 5 minutes it means per machine does 1 widget in 5 minutes.Rate of 1 machine = 1 widget/5 minutes.so if 100 machines work together the machines can finish 100 widgets in 5 minutes.Answer choice B
VP Joined: 31 Oct 2013 Posts: 1310 Concentration: Accounting, Finance GPA: 3.68 WE:Analyst (Accounting)
Re: If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink]
Bunuel wrote: If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?A. 1 minuteB. 5 minutesC. 10 minutesD. 15 minutes E. 100 minutes Useful property : no. of machine * time * rate = work 5 * 5 * R = 5R = 1/5.Now we can use this rate to find out the required time: no. of machine * time * rate = work 100 * T * 1/5 = 100T = 5. Thus the best answer is B.
Target Test Prep Representative Joined: 14 Oct 2015 Status:Founder & CEO Affiliations: Target Test Prep Posts: 16677 Location: United States (CA)
Re: If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink]
Bunuel wrote: If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?A. 1 minuteB. 5 minutesC. 10 minutesD. 15 minutes E. 100 minutes The rate of 5 machines is 1 widget per minute, so the rate of 100 machines is 1 x 20 = 20 widgets per minute, so it will take 100 machines 100/20 = 5 minutes to make 100 widgets.Answer: B _________________
Intern Joined: 29 Sep 2020 Posts: 1
Re: If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink] In a lake, there is a patch of lily pads. every day the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half of the lake?
Math Expert Joined: 02 Sep 2009 Posts: 87961
Re: If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink]
0349117266 wrote: In a lake, there is a patch of lily pads. every day the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half of the lake? This question is discussed here: https://gmatclub.com/forum/in-a-lake-th ... 20938.html Hope it helps. Please read carefully and follow our posting rules: https://gmatclub.com/forum/rules-for-po ... 33935.html Thank you. _________________
CrackVerbal Representative Joined: 03 Oct 2013 Affiliations: CrackVerbal Posts: 4987 Location: India
Re: If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink]
We know M1T1/W1 = M2 T2 /W25 machines 5 minutes to make 5 widgets.So, 5 * 5 /5 = 100 * T2 /100=>T2 = 5 (option b ) D.S
Re: If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink] 20 Aug 2021, 04:56 |
If 5 men can make 5 flags in 5 minutes how many men are required to make 50 flags in 50 minutes
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