A boy has 3 library tickets and 8 books of his interest in the library. Of these 8, he does not want to borrow Chemistry part II, unless Chemistry Part I is also borrowed. In how many ways can be choose the three books to be borrowed?

A boy has 3 library cards and 8 books of his interest in the library. Of these 8, he does not want to borrow Chemistry part II unless Chemistry part I is also borrowed. In how many ways can he choose the three books to be borrowed?

A boy has 3 library tickets and 8 books of his interest in the library. Of these 8, he does not want to borrow Mathematics Part II, unless Mathemtics Part I is also borrowed. In how many ways can he choose the three books to be borrowed ?

A boy has 3 library tickets and 8 books of his interest in the library. Of these 8 he does not want to borrow mathematics part II, unless mathematics part I is also borrowed. If number of ways can be choose the three books to be borrowed is lamda , then number of perfect squares less than lamda .

A boy has 3 library tickets and 8 books of his interest in the library. Of these 8 he does not want to borrow mathematics part II, unless mathematics part I is also borrowed. If number of ways can be choose the three books to be borrowed is lamda , then number of perfect squares less than lamda .

There are 3 parts A,B and C in a question paper of Math's, which includes 6,7 and 8 questions respectivelty. From these parts 3,4 and 5 questions respectively are to be solved. In how many ways can a student select the questions from these parts?