Question

Books play a quintessential role in every student’s life by introducing them

to a world of imagination, providing knowledge of the outside world,

improving their reading, writing and speaking skills as well as boosting

memory and intelligence. The importance of books in our life cannot be

undermined for they not only help in broadening our horizons but also act as

doorways of connecting us with the world around us.

Keeping this thought in mind, Sonia bought a new story book; it contains 1440

pages. She reads





of a storybook on the first day and





of the book on the

second day.

Based on the above information, answer the following questions.

(a)What part of the book is yet to be read by Sonia?

(b) Find the total number of pages she read on the first and second day?

(c)List any two rational numbers between









?

(d) Find the additive inverse of part of the book read by Sonia on the first

day?

(e) How many more pages does she read on first day than second day?​

Answer 1

Answer:

b22 + b23.

Question 3: Let b = 4i + 3j and c be two vectors perpendicular to each other in the xy-plane. All vectors in the same plane having projections 1 and 2 along b and c respectively are given by _________.