View All num of num See all Photos Microsoft www.microsoft.com Engaged Employer Overview Reviews Salaries Interviews Jobs Photos Benefits 10k Reviews 33k Salaries 4.3k Interviews 5.3k Jobs Follow Add Interview Follow Add Interview Interview Question Associate Consultant Interview Hyderābād (India) Microsoft 2 candles each burning 60 mins + 1 matchstick provided . Calculate time of 90 mins using this Tags: See more , See less 8 Answer Add Tags Answer Interview Answer 2 Answers ▲ 0 ▼ Light the match. Then light one candle at both ends equally 30 mins of burning time. Blow match out to keep half the stub. Relight the match while the candle is near burn-out. As candle burns out, light the other candle for the remainder 60 min. Tucker on Jun 1, 2011 ▲ 0 ▼ Light the First candle when it comes to half light (so 30 mins) than light second one from first candle(now no need of first one) and wait till second one complete (60 mins) so, 30 + 60 = 90 mins Ashok on Oct 9, 2014 Interviews > Associate Consultant > Microsoft Add Answers or Comments To comment on this, Sign In or Sign Up.