Question

how many odd numbered pages are there in a book of 1089 pages
a) 542
b) 544
c) 545
d) 546​

Answer 1

Answer:

the answer for this question is c) 545

Answer 2

Answer :

c) 545

Given:-

• there in a book of 1089 pages .

To find:-

• No. of odd numbered pages .

Formula used:-

• AP – Arithmetic Progression

Solutions:-

a = 1

d = 3-1

=> 2

${a}_{n}$ = a + (n-1) d

=> 1089 = 1 + (n-1) 2

=> 1089 - 1 = (n-1) 2

=> $\frac{1088}{2}$ = n–1

=> 544 = n-1

=> n = 545

:. There are 545 odd numbers .

GOOD EVENING BUDDY ☺️