Discuss Forum

1. Find the missing term in each of the following series : 1, 6, 15, ?, 45, 66, 91

  • A. 28
  • B. 28
  • C. 28
  • D. 28

Answer: Option A

Explanation:

Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.