Sum of all multiples of 7 between 0 to 200
Answers
Answered by
0
Answer:
2842
Step-by-step explanation:
the multiples of 7 between 0 to 200 are
7,14,21,....196
the above series is in Arthimetic Progression,
therefore,Sn=n/2(a+l);
=(28/2)(7+196)
=14*203
=2842
Similar questions