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Jasmine is a postgraduate in Computer Science passed in first class with 62% marks. She had scored 81% marks in HSC. Her date of birth is 17.6.1979.

Comprehension: In a class of 25 students of Mathematics and Computer Science, 12 students have taken Mathematics. Out of this, 8 have taken Mathematics but not Computer Science. What is the number of students who have taken Computer Science but not Mathematics?

Comprehension: In a class of 25 students of Mathematics and Computer Science, 12 students have taken Mathematics. Out of this, 8 have taken Mathematics but not Computer Science. What is the number of students who have taken both Mathematics and Computer Science?

The probability that a student selected at random from class will pass in Mathematics is 4/5, and the probability that he/she passes in Mathematics and Computer Science is.What is the probability that he/she will pass in computer science if it is known that he/she has passed in Mathematics?

The number of students in Class XI in Science, Arts and Commerce streams of a school over a period of 4 years (2011-2014) has been depicted through the bar chart given below. What is the average of the number of Arts students in the given class over the given period of 4 years ?