Jambites And Inteligient Dudes Needed In Here! You Have To See This! #seriously - Education - Nairaland
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| Jambites And Inteligient Dudes Needed In Here! You Have To See This! #seriously by Nobody: 6:20pm On Oct 31, 2014 |
Please and please, its not what you think! Am having problem on this mathematics problem! Please help answer this question and if possible show the working! Please! Well the question goes like this! if P , Q and R where given job to do, and P finishes the job in 4hours, Q in 8hours and R in 20hours! How long will it take P , Q and R to finish the job working together? please help your brother in COMA!! |
| Re: Jambites And Inteligient Dudes Needed In Here! You Have To See This! #seriously by Nobody: 6:39pm On Oct 31, 2014 |
2.35 hrs if u have the answer tell us to know if we are on track or better still drop d options since is a jamb question. Thank you |
| Re: Jambites And Inteligient Dudes Needed In Here! You Have To See This! #seriously by Thewhizzkid1(m): 6:44pm On Oct 31, 2014 |
Now solving...Will get back to u in few minutes.. |
| Re: Jambites And Inteligient Dudes Needed In Here! You Have To See This! #seriously by Thewhizzkid1(m): 6:49pm On Oct 31, 2014 |
Thewhizzkid1:2.35hrs..U can get more info for solving questions like dix on dix site... http://www.indiabix.com/ |
| Re: Jambites And Inteligient Dudes Needed In Here! You Have To See This! #seriously by Thewhizzkid1(m): 6:52pm On Oct 31, 2014 |
NOBLEDANDY:I doubt if this is a jamb question.. M sure it's a job interview or scholarship interview question. |
| Re: Jambites And Inteligient Dudes Needed In Here! You Have To See This! #seriously by Tunsboy17(m): 6:53pm On Oct 31, 2014 |
Since p finishes the work 4hr and Q 8hr and R 20hrs solution P+ Q + R + = 32/3=10.6=10hr 6min 1 Like |
| Re: Jambites And Inteligient Dudes Needed In Here! You Have To See This! #seriously by Nobody: 7:09pm On Oct 31, 2014 |
Guys, its not a jamb question, but just an assignment given to us! Anybody with idea should help pls |
| Re: Jambites And Inteligient Dudes Needed In Here! You Have To See This! #seriously by Nobody: 7:13pm On Oct 31, 2014 |
juliuswizy: I will say the solution is 1 hour (I don't if I am correct), but think it is a simple ratio. Now, the sum total of the time they worked is 4+8+20=32 The fraction of time they worked is P= 1/8, Q= 2/8, R= 5/8 . And the time it take to finish the job if three of them worked together is 1/8 + 2/8 + 5/8 = 8/8 = 1 hour. |
| Re: Jambites And Inteligient Dudes Needed In Here! You Have To See This! #seriously by chefetalkane(m): 8:53pm On Oct 31, 2014 |
juliuswizy: Take any two first 4*8 =32 4+8=12 32/12=2.6667 2.6667*20=53.34 2.6667+20=22.667 53.34/22.667=2.353 ANS |
| Re: Jambites And Inteligient Dudes Needed In Here! You Have To See This! #seriously by usmolad(m): 10:51pm On Oct 31, 2014 |
chefetalkane:you're correct. But if you convert 2.353h to minute it'll give you 2h 21minute which is the correct answer. |
| Re: Jambites And Inteligient Dudes Needed In Here! You Have To See This! #seriously by tafrica(m): 9:01pm On Nov 01, 2014 |
2.3529412hrs |
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