Home
Class 8
MATHS
Anitha, Nikita and Ankitha have purchase...

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

A

9

B

7

C

13

D

10

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MATRICS

    PEARSON IIT JEE FOUNDATION|Exercise Concept Application Level 1|15 Videos

  • MATRICES

    PEARSON IIT JEE FOUNDATION|Exercise Concept Application Level -2|15 Videos

  • MENSURATION

    PEARSON IIT JEE FOUNDATION|Exercise Concept Application (Level 3 )|8 Videos

Similar Questions

Explore conceptually related problems

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

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 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.

5 books and 7 pens together cost Rs 79 whereas 7 books and 5 pens together cost Rs 77. Find the total cost of 1 book and 2 pens.

The number of four digit odd numbers that can be formed with 1,2,3,4,5,6,7,8,9 is

The rank of the matrix {:[(1,2,3,0),(2,4,3,2),(3,2,1,3),(6,8,7,5)]:} , is