Multiple choice

In the series 355, 361, 367, ______, what will be the 10th term?

  1. 405

  2. 397

  3. 403

  4. 409
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is an arithmetic progression with first term a = 355 and common difference d = 6. The 10th term is a + (10-1)d = 355 + 9(6) = 355 + 54 = 409.

AI explanation

The series increases by a constant difference of 6, making it an arithmetic progression with the first term 355 and common difference 6. The 10th term is given by the formula a plus 9d, which is 355 plus 9 times 6, equaling 355 plus 54, which is 409.

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