Question

In a group of 20 adults, there are 8 males and
9 vegetarians. Find by using Venn diagram, the
number of female non-vegetarians, if the group con-
tains 5 male vegetarians.​

Answer 1

Given:-

• Number of adults = 20
• Number of males = 8
• Number of vegetarian = 9
• It contains 5 male vegetarian.

To find:-

• the number of female non-vegetarian

Solution :-

So, number of females will be 12 and number of vegetarian female will be 4.

Number of non-vegetarian female will be,

= Total number of females − total number of vegetarian females

=12−4

=8

Hence, number of non vegetarian female is 8.

Answer 2

given :-

total adults =20

males =8

vegetarian =9

female =?

non vegetarian =?

• if the group contains 5 males vegetarian

Step-by-step explanation:

female = total adults- males

= 20 - 8

= 12

vegetarians --(9-5)= 4

female non vegetarian -- 12- 4

=8