Question
A printer uses a total number of 4893 digits in order to
number all the pages of his book. He starts with the digit 1 for the ļ¬rst page of the book. How many pages does the book have?Solution
1.digit pages = 1 to 9 = 9 2.digits pages = 10 to 99 = 90 3.digits pages = 100 to 999 = 900 4 digit pages = letās say x Now, Number of digits used till 999 pages = 9*1 + 90*2 + 900*3 = 9 + 180 + 2700 = 2889 Therefore, 4x + 2889 = 4893 4x = 2004 X = 501 So, total pages are 9 + 90 + 900 + 501 =1500
Who is the author of the book "The Population Myth: Islam, Family Planning and Politics in India," which provides a detailed analysis of the 'Muslim rat...
Recently the combined Index of Eight Core Industries increased by how much (provisional) as compared to the Index of August 2021?
How many bones are found in the upper limb?
Identify the first Indian author to win the Andersen Award, celebrated for their contributions to children's literature.Ā
Who has written the book āPride and Prejudiceā?
Who is the author of āThe Ambuja Story,ā chronicling the rise of Ambuja Cement?
The government, SIDBI, and which global organizations are set to launch a $1 billion fund to provide guarantees against loan default to lenders financin...
Who wrote the book "Midnight's Children".
Which book was NOT written by Munshi Premchand?
_____________ was chosen as the third woman and the youngest president to head the European Parliament.
...
Relevant for Exams:
