In a survey it was found that 21 people liked product A, 26 liked product B and 29 liked product C. If 14 people liked products Aand B, 12 people liked products C and A, 14 people liked products B and C and 8 liked all the three products. Find how many liked product C only.

In the product find the values of a, b, c

In a survey of 100 persons it was found that 28 read magazine A, 30 read magazine B, 42 read magazine C, 8 read magazines A and B, 10 read magazines A and C, 5 read magazines B and C and 3 read all three magazines. Find : How many read magazine C only ?

A market research group conducted a survey of 1000 consumers and reported that 720. consumers liked product A and 450 liked product B. What is the least number that must have like both products ?

In a group of 50 people, 30 like to play cricket, 25 like to play football and 32 like to play hockey. Assume that each one likes to play at least one of the three games. If 15 people like to play both cricket as well as football, 11 people like to play both football as well as hockey and 18 like to play both cricket as well as hockey, then how many like to play all the three games ?

In a group of 50 people, 30 like to play cricket, 25 like to play football and 32 like to play hockey. Assume that each one likes to play at least one of the three games. If 15 people like to play both cricket as well as football, 11 people like to play both football as well as hockey and 18 like to play both cricket as well as hockey, then how many like to play only hockey ?

In a group of 50 people, 30 like to play cricket, 25 like to play football and 32 like to play hockey. Assume that each one likes to play at least one of the three games. If 15 people like to play both cricket as well as football, 11 people like to play both football as well as hockey and 18 like to play both cricket as well as hockey, then how many like to play only football ?

In a group of 70 people, 37 like coffee, 52 like tea and each person likes at least one of the two drinks. How many people like both coffee and tea?

In a group of 60 people, 27 like cold drinks and 42 like hot drinks and each person likes at least one of the two drinks. How many like both hot drinks and cold drinks?

In a group of 65 people, 40 like cricket, 10 like both cricket and tennis. How many like tennis only and not cricket? How many like tennis?