List of top Mathematics Questions on Venn Diagrams

Let 'U' be universal set. If A and B are subsets of U, then match the following and choose the correct answer.

Let $U$ be universal set. If $A$ and $B$ are subsets of $U$, then match the following and choose the correct answer. {ll} List - I & List - II
(a) $A \cup A'$ & (i) $A$
(b) $(A \cup B)'$ & (ii) $A' \cup B'$
(c) $(A \cap B)'$ & (iii) $A' \cap B'$
(d) $(A')'$ & (iv) $U$ Codes:

In a certain college in Andhra Pradesh there were 800 students. Among them 320 were normal, 200 with anaemia, 160 with B-complex deficiency and 120 with Vitamin A deficiency. Complete the table and identify the correct statements.

In a school, 70 play only hockey, 100 play only football, 30 play both the games. 150 do not play anything at all. What is the percentage (rounded to two decimals) of hockey players to total students in the school?

In a group of people:

• 70 play only Hockey.

• 100 play only Football.

• 30 play both Hockey and Football.

• 150 play neither game.
What percentage of the people play Hockey?