Question

To prepare 200 glasses of lemonada 10people take 20mins in total.to prepare 600 glasses of lemonade with 40people how much time would be needed?

Answer 1

Answer:

10 people takes 20 min. to prepare 200 glasses.  

1 people takes 20 min. to prepare  

20 glasses.  

So, to make 600 glasses in 20 min. we need 30 people.

Explanation:

Hope this answer will help you.

Answer 2

40 people can make 600 glasses of lemonade in 15 mins.

GIVEN

Time taken by 10 people to make 200 glass of lemonade = 20 mins.

TO FIND

Time taken by 40 people to prepare 600 glasses of lemonade.

SOLUTION

We can simply solve the above problem as follows-

We are given,

10 people can prepare 200 glasses of in 20 minutes.

we can calculate the the time taken by 40 people if we can calculate the efficiency of one person.

if,

10 people take 20 min to prepare = 200 glasses of lemonade

In 1 min 1 person can prepare = 200/10×200 = 1 glass

.

Efficiency = 1.

That is, 1 person can make 1 glass of lemonade in 1 minute.

We know that,

Work = efficiency × time × number of people

where,

work = 600 glass of lemonade

Efficiency of 1 person = 1

Number of people = 40

Putting the values in the above formula, we get-

Time taken = 600/40 = 15 min.

Hence, 40 people can make 600 glasses of lemonade in 15 mins.

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