Time and Work || Memory Based New Pattern Questions from IBPS, SBI and RBI Exams
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- Опубліковано 5 лип 2020
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This is an archived session conducted in last year. You may find some information given during the session are irrelevant. Kindly ignore those. In this session, you will find an explanation on examples of time and work problems has been explained briefly in this video of TalentSprint. Initially, these problems can make you feel confusing but proper methods to solve it will save your time and efforts. Examples explained in this video will give you a better understanding to solve these questions efficiently. These questions are an important part of the IBPS PO and other similar competitive exams.
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A can make 100 objects in 8 hours while B and C can do the same in 10hours and 12 hours respectively. All the workers started together at 9:00 am and stopped at 11:am. Rest was done by B and C. Approximately at what time will the making of 100 objects be completed? Please help me out
by using men*time=constant concept:
using 1st sentence:
8A=10B => B=4A/5
8A=12C => C=2A/3
using 2nd sentence:
(A+B+C)*(2hrs)+(B+c)*(Xhrs)= A*8 (or B*10 or C*12 since it's men*time required to complete task)( 2hrs since 9 to 11)
(A+(4A/5)+(2A/3))*2 + ((4A/5)+(2A/3))*X =A*8
=> (1+4/5+2/3)*2 + (4/5 +2/3)* x =8
solve and get x . X will be extra time required to complete after 11am.. add that obtained X hrs to 11 am to get the completion time... i hope it's correct