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It takes Eric 20 minutes to inspect a car. John only needs 18 minutes to inspect a car. If they both start inspecting care at 8:00 am, what is the first time they will finish inspecting a car at the same time?

Correct Answer: 11 am
Least common multiple of 20 & 18 is 180. So, they will finish inspecting a car at the same time after 180 min = 180/60 hr = 3 hr. Now,  8 am + 3hr = 11 am

It takes Eric 20 minutes to inspect a car. john only needs 18 minutes to inspect a car. If they both start inspecting care at 8 : 00 am, what is the first time they will finish inspecting a car at the same time?

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In takes Russel 20 minutes to inspect a car and Sohel needs 18 minutes to inspect a car. They both start inspecting cars separately at 8.00 A.M. At certain points of time, both of them will finish inspecting a car at the same time. When will this occur for the time?

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John, Jack, Joseph and Jordan participated in a running race. Only the winner finished the race in 10 minutes. Which two pieces of information can tell you who the winner was? (i) John finished the race in 16 minutes . (ii) Joseph finished the race earlier than Jack by 2 minutes. (iii) Jack finished the race later than Jordan by 4 minutes. (iv) Jordan finished the race earlier than John by 6 minutes. (v) John finished the race later than Joseph by minutes.

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Maslow's need-hierarchy theory of motivation has classified the human needs into five categories as follows. Arrange the following needs in ascending order given by Maslow
1. Safety needs
2. Esteem needs
3. Social needs
4. Physiological needs
5. Self-actualisation needs
What is the sequence of domtion of these needs?