A boy has 3 library tickets and books of his interest in the library. Of these 8, he does not wasnt to borrow Chemistry part II, unless Chemistry Part I is also borrowed. In how many ways can be choose th 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 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 library has 5 copies of one book, 4 copies of each of 2 books, 6 copies of ech of 3 books nad single copies of 8 books. In how many ways cn all books be arranged so that copies of the same book are always together?

A question paper has two parts, Part A and party B each containing 10 questions. If a student has to chose 8 from Part A and 5 from Part B, in how many ways can he choose the questions?

In how many ways 3 books of Mathematics, 4 books of Physics and 2 books of Chemistry can be arranged on a table if all the books of one subject placed together?

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

A library has two books each having three copies and three other books each having tow copies. In how many ways can all these books be arranged in a shelf so that copies of the same book are not separated.

A library has two books each having three copies and three other books each having tow copies. In how many ways can all these books be arranged in a shelf so that copies of the same book are not separated.

In a shelf there are 6 physics, 4 chemistry and 3 mathematics books. How many combinations are there if (i) books of same subject are different ? (ii) books of same subject are identical?

In an examination, a question paper consists of 12 questions divided into two parts i.e., Part I and Part II, containing 5 and 7 questions, respectively. A student is required to attempt 8 questions in all, selecting at least 3 from each part. In how many ways can a student select the questions?