The experts at Team Jagran Josh have framed the Model Test Paper for Mathematics subject which strictly follows the Board pattern of CBSE Class 12 for the year 2015. The Model Test Paper is extremely beneficial for the Class 12 Students appearing for their respective examinations in 2015.
A few Questions from this Model Test Paper are given below:
Q. There are two types of fertilisers A and B. A consists of 10% nitrogen and 6% phosphoric acid and B consists of 5% nitrogen and 10% phosphoric acid. After testing the soil conditions, a farmer finds that he needs at least 14 kg of nitrogen and 14 kg of phosphoric acid for his crop. If A costs Rs. 6 per kg and B costs Rs. 5 per kg, determine how much of each type of fertiliser should be used so that nutrient requirements are met at minimum cost. What is the minimum cost? What values are being promoted here?
Q. Find the coordinates of point on line, which are at a distance of 3 units from the point (1, 2, 3).