If f(x)=x^2and g(x)=6x+4,for which value of x does (f+g) =0
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The number of ways people can get off the elevator is 604800 ways.
In this question,
Number of people, n = 7
Number of floors, r = 10
The first person can leave elevator in one of 10 ways. Then second person has to choose from one of remaining 9 floors. Then third person in 8, fourth in 7 ways and so on.
Number of ways people can get off the elevator can be calculated as
⇒
⇒
⇒
⇒
⇒
⇒ 604800 ways.
Hence we can conclude that the number of ways people can get off the elevator is 604800 ways.
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◆ Arithmetic Progressions ◆
Hey !!
Check the attachment.
Hope it helps you :)
Hey !!
Check the attachment.
Hope it helps you :)