Using the internet find out about the different softwares used to solve mathematical problems and use them to solve problems given in this and other chapters.

Find out which of the following statements have the same meaning: i. If Seema solves a problem then she is happy. ii. If Seema does not solve a problem then she is not happy. iii If Seema is not happy then she hasn't solved the problem. iv. If Seema is happy then she has solved the problem

Which of the terms is not used in a linear programming problem

Find out and make a list of proteins used as therapeutic agents. Find other application of proteins (e.g. Cosmetics etc.)

Give three examples of physical problems arising due to excessive use of mobile phones.

Give three examples of each: Physical problems arising due to excessive use of mobile phones.

The odds against John solving a problem are 4 to 3 and the odds in favour of Rafi solving the same problem are 7 to 5. What is the chance that the problem is solved when both of them try it?

Make a table using following information about different species of plasmodium.

Solve the following problem: The difference between the square of a natural number and the number itself is 110. Find the number.