Find out which of the diagrams given in the alternatives correctly represent the relation- ship stated in the question
Sharks, Whales, Turtles.

In the given figure, how many papers are also hard?

In the given figure, which number presents steel bottles which are caps?

In the given figure, how, how many keys are duplication but not steel?

In the given figure, how many cardboard boxes are not white?

In the given figure, how many metallic balls are also heavy?

Find the area which shows students studying biology and computer but not mathematics.

From the information given below, find out the number of people who do not read any newspaper.