Question 99

People in a club either speak French or Russian or both. Find the number of people in a club who speak only French.

A. There are 300 people in the club and the number of people who speak both French and Russian is 196.

B. The number of people who speak only Russian is 58.

Solution

Let x,y,z be the no. of people speaking only French, only Russian and both respectively. By statement A we have x+y+z = 300 and z = 196. Using this we can't find number of people in a club who speak only French.
Now considering statement B we have x = 58. So using both the statements together we can find number of people in a club who speak only French. Hence, option C is the correct answer.

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People in a club either speak French or Russian or both. Find the number of people in a club who speak only French. A. There are 300 people in the club and the number of people who speak both French and Russian is 196. B. The number of people who speak only Russian is 58.

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People in a club either speak French or Russian or both. Find the number of people in a club who speak only French.

A. There are 300 people in the club and the number of people who speak both French and Russian is 196.

B. The number of people who speak only Russian is 58.