Find the sum of all odd numbers starting from 1 to 999
Answers
Answered by
7
Answer:
2500
Explanation:
More simply, considering the sum of the series
1+3+5+7+...+93+95+97+99
Note that the numbers may be paired off
(1+99)
,
(3+97)
,
(5+95)
, each pair adding to
100
. There are
25
such pairs. So the sum equals
2500
(25×100)
.
plz mark me as brain list
thank you
2500
Explanation:
More simply, considering the sum of the series
1+3+5+7+...+93+95+97+99
Note that the numbers may be paired off
(1+99)
,
(3+97)
,
(5+95)
, each pair adding to
100
. There are
25
such pairs. So the sum equals
2500
(25×100)
.
plz mark me as brain list
thank you
Answered by
0
Answer:
2500
Step-by-step explanation:
1+2+3+4+5....+997+998+999
Pair it up!
1+999=1000
2+998=100
.
.
.
and then add everything :)
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