Find the last digit of the 200 digit number 122333444455555666666......
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Answered by
6
it must be 6 or 0 see tere is 1 only 1 time,2 for 2 time,3 for 3 time..............................and so on as it is follows it is 1+2+3+4+5+6+7+8+9+1+2+3+4+5+6+7+8+9+1+2+3+4...................and so on on 200 it's 6
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Answered by
5
Answer:
200 digit will be 1.
Step-by-step explanation:
According to question
We have one ones, two twos and nine nines
Total number of digits till last 9 = 1+2+3+4+5+6+7+8+9= 45
After 9 we have 2 digits per numbers.
So we have ten tens, eleven elevens and similarly fifteen fifteens
Total number of digits from 10 to last 15 = 20+22+24+26+28+30 = 150
Total number of digits from 1 to last 15 = 45 + 150 = 195
Now there will be 16 sixteens.
196, 198, 200 digit = 1
And 197, 199 digit = 6
So 200 digit will be 1.
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