The profit earned by selling all pens of Type B is what percentage of the total profit earned by selling all pens of type E if the per unit cost of type B pens is Rs. 5.5 and that of Type E pens is Rs. 25 ?
Direction (Q. 6-10) A total of x students appeared in a class test consisting of three paper, viz Physics, Chemistry and Maths. The following venn diagram shows the number of students who passed these three papers. None of the students failed in all the three papers together.
Answer given question based on this diagram.
How many students are there who passed in Chemistry and Maths but failed in Physics ?