59. In an arithmetic series, the terms of the series are equally spread out. For example, in 1 + 5 + 9 + 13 + 17, consecutive terms are 4 apart. If the first term in an arithmetic series is 3, the last term is 136, and the sum is 1,390, what are the first 3 terms?

Answer and Explanation

Your Answer is

Correct Answer is A

Explanation

According to the arithmetic sequence summation formula, the number of items can be obtained to be 20. Therefore, the tolerance is (136-3) ÷19=7, and the first three items of the sequence are 3, 10, 17.