state gov TSPSC Group 2 (తెలంగాణ గ్రూప్ 2) Mock Test Series Logical Reasoning Venn Diagram Venn Diagram Problems
There are 100 children in a primary school. The number of children who like blue and red is 30. The number of children who like yellow and blue is 20. The number of children who like only one color is 45. No child likes only yellow and red. How many children like all three colours?
1
5
2
15
3
10
4
2