which terms of the series 99+92+85+.....is 15 ?
Answers
Answered by
12
15=99+7+7n
15=106+7n
15-106=7n
91=7n
91/7=n
13=n
15=106+7n
15-106=7n
91=7n
91/7=n
13=n
Answered by
3
13 n is the answer ........ hopen it will help you
shivamsingh84:
please explane bro
i just used formula
an=a+(n-1)d
okk
hmm
Similar questions