Question

In a survey of a society, 1000 people speak Gujarati or Hindi. 50% people speak Hindi and 70% speak Gujarati. Find how many percentage of people speak both Gujarati and Hindi. ​

Answer 1

Answer:

answer is in the picture

Answer 2

Answer:

25%

Step-by-step explanation:

n(H) = 50% = 500

n(G) = 75% = 750

n(H∪G) = 1000

n(H∪G) = n(H) + n(G) - n(H∩G)

1000 = 500 + 750 - n(H∩G)

n(H∩G) = 1250 - 1000

n(H∩G) = 250

= 25%

25% people speak both gujarati and hindi