There are 30 pupils in a class. (a) You make a row of 7 pupils. In how many ways can this be done? (b) You divide the class into two groups of 15 each. In how many ways can this be done? (c) You give each of the 30 pupils one type of cooldrink from 5 different types of cooldrink. how many ways can this be done? (d) Ignoring who gets which cooldrink, how many different cooldrink combinations are possi if you choose 30 cooldrinks from 5 types?

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There are 30 pupils in a class.
(a) You make a row of 7 pupils. In how many ways can this be done?
(b) You divide the class into two groups of 15 each. In how many ways can this be done?
(c) You give each of the 30 pupils one type of cooldrink from 5 different types of cooldrink.
how many ways can this be done?
(d) Ignoring who gets which cooldrink, how many different cooldrink combinations are possi
if you choose 30 cooldrinks from 5 types?
all
09:28 PM
2021-04-19 Page: 1 of 1
国 昆海昌 90%
Words: 0
Transcribed Image Text:Document1 - Microsoft Word (Product Activation Failed) File Home Insert Page Layout References Mailings Review View There are 30 pupils in a class. (a) You make a row of 7 pupils. In how many ways can this be done? (b) You divide the class into two groups of 15 each. In how many ways can this be done? (c) You give each of the 30 pupils one type of cooldrink from 5 different types of cooldrink. how many ways can this be done? (d) Ignoring who gets which cooldrink, how many different cooldrink combinations are possi if you choose 30 cooldrinks from 5 types? all 09:28 PM 2021-04-19 Page: 1 of 1 国 昆海昌 90% Words: 0
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