What soil problems do you find in your area? Prepare a list of those problems and suggest a method for each of them to control those problems.

What living things did you find in your study area ? Try to count them if possible.

What method do you suggest to control high blood pressure?

Have you ever observed any water pollution in your area? What measures would you suggest to control it?

What changes would you like to bring in your life style to avoid cardiac problems?

What suggestions do you give to your friend suffering from constipation ?

Which methods do you suggest to conserve soil ?

(i) A problem is Calculus is given to two students A and B whose chances of solving it are (1)/(3) and (1)/(4) . Find the probability of the problem being solved if both of them try independently. (ii) A problem is given to three students A, B and C. The chances of their solving the same are 1//3 , 1//4 , 1//5 respectively. Then find the probability that the problem will be solved.