If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Arithmetic Progressions (Class 10) — quick quiz

5 real SOF IMO questions on Arithmetic Progressions (Class 10). Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 2

MEDIUM

How many terms of the AP 18, 16, 14, ... should be taken so that their sum is zero?