Question

A survey show that in a city that 63% of the citizens like tea where as 76% like coffee. If x% like both tea and coffee, then

1) x = 63
2) x = 39
3) 50 ≤ x ≤ 63
4) 39 ≤ x ≤ 63

Answer 1

Step-by-step explanation:

A survey show that in a city that 63% of the citizens like tea where as 76% like coffee. If x% like both tea and coffee, then

= 4) 39 ≤ x ≤ 63

Answer 2

Answer:

Answer:Clearly maximum number of people who like both items is 63%. (assuming it is not necessary for everyone to like something).

From venn diagram 

a+b=100

a+2b=63+76=139

a+2b=63+76=139