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General Ability Quantitative Ability/Reasoning ; Logical Reasoning ; Analytical Reasoning/Ability ; Mental Abilities |
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#11
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#12
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@Adil
Kindly guide me bro. It's urgent. Thanks in anticipation.
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Nasru minal'lahi wa fat'hun qareeb |
#13
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As the first part shows, work can be done by 3 men OR 6 boys 3 men = 6 boys Therefore 1 man = 2 boys To solve the question you have to take 1 group, either men or boys. 6 men = 12 boys or you can equate 8 boys with 4 men. 120 days are required by 1 boy to complete the task, i.e. 6x20=120 Or you can say 3 x 20 = 60 days are required by a single man for the task 6 men + 8 boys = 6 men + 4 men = 10 men Time required by 1 man = 60 days Time required by 10 men = 60/10 = 6 days
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Watu Izzu Man Tasha, Watu Zillu Man Tasha. |
The Following User Says Thank You to Adil Ashfaq For This Useful Post: | ||
RMKamran (Tuesday, September 15, 2015) |
#14
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I got it. But, let's suppose if there were "5 men or 11 boys" I mean if the figure is in odd number, then how do we solve the question ? Plus, is there any method to check our answer ? I mean any short method ? Actually, I am bit confused as other two members have solved the same question with different method. Stay blessed.
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Nasru minal'lahi wa fat'hun qareeb |
#15
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If there were odd numbers, you could have gone with the same method, i.e. 5 men = 11boys The work done by one man would be equal to work done by 2.2 boys. 11÷5 = 2.2 boys = 1 man You can verify your answer by calculating total time required to complete the task by a single boy or man, not sure about other ways.
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Watu Izzu Man Tasha, Watu Zillu Man Tasha. |
The Following User Says Thank You to Adil Ashfaq For This Useful Post: | ||
RMKamran (Tuesday, September 15, 2015) |
#16
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They have solved with the same technique but with a lesser elaboration.
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Watu Izzu Man Tasha, Watu Zillu Man Tasha. |
The Following User Says Thank You to Adil Ashfaq For This Useful Post: | ||
RMKamran (Tuesday, September 15, 2015) |
#17
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Pipe A: 1/3 = 1 tank/ 3 mins Pipe B: 1/4 = 1 tank/ 4 mins Time taken by A and B by working together = 1/3 + 1/4 =1/x 1/3 + 1/4 = 1/x 7/12 = 1/x 7= 12/x x= 12/7 x= 1.7143 So, time taken by both pipes working together to fill the tank is 1.7143 mins or 1 min and 43 seconds.
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Watu Izzu Man Tasha, Watu Zillu Man Tasha. |
The Following 2 Users Say Thank You to Adil Ashfaq For This Useful Post: | ||
exclusively (Tuesday, September 15, 2015), RMKamran (Tuesday, September 15, 2015) |
#18
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From where are you guys preparing/practicing?
And under what heading these questions come?
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♥ Alis volat propriis ♥ |
#19
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Under Intellegence test ..
You can find these word problems in HCC level books i-e 8th class |
#20
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I took that work question from Jehangir aptitude test book. But, that is 2005 edition. You can also practice these and other questions included in CSS-general ability subject from GAT and Caravan aptitude book by Ch. Ahmed Najib. HCC level books are also good to practice but those are not enough. Stay blessed.
__________________
Nasru minal'lahi wa fat'hun qareeb |
The Following User Says Thank You to RMKamran For This Useful Post: | ||
Nazish Hina (Thursday, September 17, 2015) |
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