library book sales

The elements of matrices Library - A and Library - B are the number of books, journals and CDs. Choose the matrix which shows the total number. Library - A Library - B Books Journals CDs ( 5568 88 300 ) ( 5130 19 1000 ) => ( 5568 5130 88 1..

The daily sales of books in a book stall for 20 consecutive days are: 20 15 32 18 40 9 12 19 22 28 31 54 42 39 45 16 60 38 44 25 Find the class limit in which the sales are maximum by constructing a frequency distribution table with 5 classes. => 32 - 42 or 2..

Francis owns a bookstore. He sells lots of storybooks for children. His sales ' s ' can be modeled by the function s = - 2 c 2 + 32 c and c ≤ 15, where c is the cost of one story book in dollars. Find his maximum profit. => $ 30 or $ 128 or $ 158 or $ 126..

Question: 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 Part I is also borrowed. In how many ways can he choose the three books to be borrowed? Answer: Ther..

Question: You are Harvinder Kaur, a student of Guru Nanak School. Recently, you came across an advertisement in the newspaper regarding the sale of English books for all age groups from 15th to 20thMay, at The Strand, Gandhinagar. Write a notice for the school notice board..