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. 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 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 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 student finds 7 books of his interest, but can borrow only three books. He wants to borrow Chemistry part II book only if Chemistry Part I can also be borrowed. Find the number of ways he can choose three books that he wants to borrow.

The number of ways of selecting 8 books from a library which has 9 books each of Mathematics, Physics, Chemistry and English is:

The number of ways of selecting 8 books from a library which has 9books each of Mathematics,Physics,Chemistry and English is:

A bookseller has 420 science stream books and 130 art stream books. He wants to stack them in such a way that each stack has the take same number and they take up the least area of the surface (a) What is the maximum number of science stream books that can be placed in e stack for this purpose? (b) which mathematical concept used to solve the problem? (c) If the bookseller makes a stack, then which kinds of quality are shown by the bookseller?