Question
Download Solution PDFIf you write down all the numbers from 1 to 100, then how many times do you write 3?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFAccording to the question:
From 1 to 100 there are 10 numbers with 3 as the unit's digit - 3, 13, 23, 33, 43, 53, 63, 73, 83, 93
And ten numbers with 3 as the ten's digit - 30, 31, 32, 33, 34, 35, 36, 37, 38, 39
So, required number = (10 + 10) ⇒ 20
∴ 3 is written 20 times
Hence, "Option 3" is the correct answer.
Last updated on Mar 21, 2025
-> Nuclear Power Corporation of India Limited has published a comprehensive notification for the position of NPCIL Assistant Grade 1.
-> A total of 37 vacancies has been announced for the post of NPCIL Assistant Grade 1. Bookmark this page for all the latest updates.
-> Interested applicants can start submitting their online applications from 12 March 2025.
-> The application window will be closed on 1 April 2025. However the date of exam is yet to be notified.
-> Candidates can review the NPCIL Assistant Grade 1 Previous Year Papers, for better preparation!