1.

In a shop, 380 people buy socks, 150 people buy shoes, and 200 people buy belts. If there are a total of 580 people who bought either socks or shoes or belts and only 30 people bought all the three things? So, how many people bought exactly two things?

Answer»

In a shop, 380 people buy socks, 150 people buy shoes, and 200 people buy belts. If there are a total of 580 people who bought either socks or shoes or belts and only 30 people bought all the three things? So, how many people bought exactly two things?




Discussion

No Comment Found