Exam
Maths Puzzle
Logical Reasoning
Worker W produces n units in 5 hrs. Worker V and W, working independently but at the same time, produce n units in 2 hrs. how long would it take V alone to produce n units?
options
1.1 hr 26 min
2.1 hr 53 min
3.2 hr 30 min
4.3 hr 20 min
5.3 hr 30 min
Read Solution (Total 1)
-
- 4. 3hour 20mins.
W produces unit in 1 hour = n/5
V and w together produces unit in 1 hour = n/2
From this data equation is
(n/5) + (n/v) = (n/2)
(n/v) = 3/10
V = 10/3hours
Means 3 hour 20mins. - 10 years agoHelpfull: Yes(1) No(0)
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