11) Evaluate: 13+20+27+ ...........+97
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Answered by
5
Answer:
First we will find which term is 97 so......
13+(n-1)7=97
Step-by-step explanation:
N=13. Sum formula =n/2(a +anth term)........... 13/2(13+97)=13/2(110)=715
Answered by
3
There is a gap of 7 no.
27+7
=34
34+7
=41
41+7
=48
48+7
=55
55+7
=62
62+7
=69
69+7
=76
76+7
=83
83+7
=90
90+7
=97
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