Question

In a survey it was found that 21 persons liked product P1, 26 liked product P2 and 29 liked
product P3. If 14 persons liked product P1 and P2; 12 persons liked product P1 and P3; 14 persons liked
product P2 and P3 and 8 liked all the three products, find how many liked only one product?

Answer 1

Answer:

76 people liked only 1 product..

Answer 2

Answer:

$\frac{2 \}{6} {6}^{2} 5 \times \frac{3}{3}$