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Sequence and Series
a series 1234123441234441234444.....n what is the value on 200th position..??
Read Solution (Total 8)
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- 1234 => 4 times
12344 => 5 times
123444 => 6 times
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4 + 5 + 6 + ...n < 200
n(n+1)/2 - 6 = 200
So n = 19
i.e. 4+5+6+...19 = 184
After the 184th term,the sequence has 20 terms
12344444444444444444 = 20 terms
=> 200th term = 4 - 9 years agoHelpfull: Yes(33) No(10)
- Congrats to all those
who are selected and i am also selected!!!!!!!!!!!!!!!!!!!! - 9 years agoHelpfull: Yes(13) No(8)
- @ vinay y did u subtract 6 frm the sum.. can u tell me..
- 9 years agoHelpfull: Yes(8) No(1)
- ShaikanSari , vinay subtracted 6 because 1+2+3 = 6 and it must be subtracted from the series , as the first no. is 1234 i e consisting 4 terms in it
- 9 years agoHelpfull: Yes(5) No(1)
- if you will add from 4 +5+6+.....+19=184, now for it will start from 185 as 1234444 upto to 204 place
so @ 200 place A is the answer [plz correct if wrong ] - 9 years agoHelpfull: Yes(2) No(5)
- i didn't understand what is the 200th position?
- 7 years agoHelpfull: Yes(2) No(0)
- *4 is the answer
- 9 years agoHelpfull: Yes(0) No(2)
- 1234, 12344, 123444, 1234444, ....
4, 5, 6, ... or (3 + 1), (3 + 2), (3 + 3), .....n = 3 n+n(n+1)/2
3 n +n(n+1)/2 - 7 years agoHelpfull: Yes(0) No(0)
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