Multiples of 7 are written next to each other 714212835. Find 2020th digit.
Answers
Answer:
hope it helps you follow
Given : Multiples of 7 are written next to each other 714212835...
To Find : 2020th digit.
Solution:
one digit number 7 one number = 1 digit
two digit numbers
14 to 98 13 numbers = 26 digits
three digit numbers
105 to 994 , 128 number , 384 digits
384 + 26 + 1 = 411 Digits
for 2020 th digit
2020 - 411 = 1609 Digits
1609 = 402 * 4 + 1
Hence 402 , 4 digit numbers and 1st digit of 403rd 4 digit number
4 digit numbers starts from 1001
1001 + (403 - 1) 7
= 3815
3815 first digit is 3
Hence 2020th digit. is 3
Learn More:
Let x be a least number which when divided by 21,33,35 and 55 ...
brainly.in/question/8888731
Find the least number which when divided by 5, 7 and 13 leaves the ...
brainly.in/question/2193860