# CBSE Class 12 Mathematics Practice Paper Set-IV

Find the CBSE Class 12 Mathematics Practice Paper (Set – IV) for the coming exam. These questions not only help the students to prepare for exams in a better manner but also help them in understanding the depth with which a topic should be studied.

Created On: Oct 1, 2015 17:37 IST
Modified On: Oct 12, 2015 11:09 IST

Find the CBSE Class 12 Mathematics Practice Paper (Set – IV) for the coming exam. These questions not only help the students to prepare for exams in a better manner but also help them in understanding the depth with which a topic should be studied.

Few sample questions from the Question Paper are given below:

Q. Two unbiased dice are thrown. Find the probability that neither a doublet nor a total of 10 will appear?

Q. Prove that the radius of the right circular cylinder of greatest curved surface area which can be inscribed in a given cone is half of that of the cone.

Q. A factory can hire two tailors A and B in order to stitch pants and shirts. Tailor A can stitch 6 shirts and 4 pants in a day. Tailor B can stitch 10 shirts and 4 pants in a day. Tailor A charges Rs.15 per day and tailor B charges Rs.20 per day. The factory has to produce minimum 60 shirts and 32 pants. State as a linear programming problem and minimize the labour cost.

Q. Let * be a binary operation on N given by a * b = HCF (a, b) where a, b  N. Write the value of 6 * 4.