Question

1)the sum of 10th and 11th term of arthmetic sequence is 153 (a) what is the sum of 1st and 20th term of this sequence (b)find the sum of 1st 20 terms of the sequence .if 5th term is 38 .what is 16th term
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Answer 1

Answer:

answer of A) is 153 and B)is 1530