Question

Sum of 7 consecutive terms of the sequence 4, 7, 10... is 91, find its middle term ?
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Answer 1

Answer:

13

Step-by-step explanation:

the above consecutive terms has a common difference of 3

let assume it. so the sequence is

4,7,10,13,16,19,22

here the middle term is 13

to check our assumption is correct then add the following assumed sequence you will get 91