Question

in a group of 40 persons 10 drink tea but not coffee and 26 drink tea . how many drink coffee​

Answer 1

30 Person Drink coffee

Step-by-step explanation:

Total Person  = 40

People who Drink Tea  = 26

People Wgo drink Tea But not coffee = 10

=> People who drink Tea & Coffee both = 26 - 10 = 16

People Drink coffee = ?

Assuming Each person Drink atleast one Drink

Total  =  Tea  + Coffee  -  ( Tea & Coffee Both)

40 =  26  + Coffee  -  16

=> Coffee  = 30

30 Person Drink coffee

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Answer 2

Answer:

30 person drink coffee.