Find the sum of all the number between 250 and 1000 which are exactly divisible by 5
Answers
Answered by
1
Answer:
2hehehehehehehhehehhehehehehhe
Answered by
0
Answer:
Clearly the numbers between 250 and 1000 which are divisible by 3 are 252, 255, 258,________ 999.
∴T
n
=999=a+(n−1)d=252+(n−1)3
333=84+n−1
∴n=333−83=250
∴S=
2
n
[a+l]=(250/2)[252+999]
=125×1251=156375.
Similar questions