Question

19. A man wrote all the natural numbers starting from 1 in a series. What will be the 50 digit of the number? (a) 1 (b) 2 (C) 3 (d) 4​

Answer 1

Answer:

C

Source:

https://www.quora.com/A-man-wrote-all-the-natural-numbers-starting-from-1-in-a-series-What-will-be-the-50th-digit-of-the-number

Solution:

For n>=10  

numerator=n  

denominator=20

x=n/20

When x is an integer that is the answer for the nth digit  

When x is not an integer round up to next digit integer  

50/20 = 2.5 and round up to

3 as the 50th digit