Anitha, Nikita and Ankitha have purchased some books, pencils and pens, This can be respresented in the following matrix.
`{:("Anitha"),("Nikitha"),("Ankitha"):}[{:("Books","Pens","Pencils"),(5,7,8),(4,3,2),(7,6,0):}]`
The total number of items purchased by Ankitha is

Anitha, Nikita and Ankitha have purchased some books, pencils and pens, This can be respresented in the following matrix. {:("Anitha"),("Nikitha"),("Ankitha"):}[{:("Books","Pens","Pencils"),(5,7,8),(4,3,2),(7,6,0):}] The total number of books purchased by Anitha, Nikitha and Ankitha is

Anitha, Nikita and Ankitha have purchased some books, pencils and pens, This can be respresented in the following matrix. {:("Anitha"),("Nikitha"),("Ankitha"):}[{:("Books","Pens","Pencils"),(5,7,8),(4,3,2),(7,6,0):}] The number of pencils purchased by Anitha is

The number of ways in which 7 pencils, 6 books and 5 pens be disposed off is

The number of ways in which 7 perncils , 6 books and 5 pens be disposed off is

Gaudy purchased some pens and pencils. For every pen, he purchased 2 pencils. If the total number of pens puchased was x, then the number of pencils purchased was

The total cost of 5 books and 7 pens is 79 rupees and the total cost of 7 books and 5 pens is 77 rupees . Find the cost of 1 book and 2 pens.

The total cost of 6 books and 7 pens is 79 rupees and the total cost of 7 books and 5 pens is 77 rupees.Find the cost of 1 book and 2 pens.