Question

13.
How many digits are required to number the pages
of a book having 200 pages
(A) 200 (B) 400 (C) 450 (D) 492​

Answer 1

Answer:

hey mate

good mrng

the correct answer is 792

as, we have

1 to 9 => 9 digits

10 to 99 => 90 no's => 180 digits

100 to 200 => 201 no's => 603 digits

sum up and uh get the answer...

hope it helped uhh

Answer 2

Answer:

492

Step-by-step explanation:

1 to 9 :-9

10to99:-2*90=180

100to200:-3*101=303

sum up and get the answer

9+180+303=492