Question

1.sum of 11th and 19th term is 42.Find 15th term
2.Sum of 1st and 10th term is50.find sum of 3rd and8th term
3.Sum of 5 terms is30.Find middle term
4 sum of 29 term is 145 find 15th term
5.sum of 31st term and39th term is 56.find 35th term.​

Answer 1

Answer:

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