0 votes 0 votes The traffic lights at three different road crossing change after 24 sec , 56sec , 36sec respectively If they all change simultaneously at 10:00 AM. At what time will they again change simultaneously 10:16:54 AM 10:18:00 AM 10:17:02 AM 10:22:12 AM Quantitative Aptitude made-easy-test-series cbt-2017 general-aptitude quantitative-aptitude clock-time + – pC asked Jan 22, 2017 • edited Mar 6, 2019 by adeebafatima1 pC 624 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes just find out LCM(36,54,24) =216 now verify answer with n(216) for n>=1. Rajnish Kumar answered Jan 22, 2017 • edited Jan 23, 2017 by Rajnish Kumar Rajnish Kumar comment Share Follow See all 5 Comments See all 5 5 Comments reply pC commented Jan 22, 2017 reply Follow Share Another approach could be :- Find HCF . (Given Option) mod HCF should be 0 :) 0 votes 0 votes thor commented Jan 23, 2017 reply Follow Share lCM(36,56,24) = 504 I think all options are wrong 0 votes 0 votes Rajnish Kumar commented Jan 23, 2017 reply Follow Share he posted question wrong. instead of 56 there is 54. please correct question. option b is ryt 0 votes 0 votes thor commented Jan 23, 2017 reply Follow Share Yes, B is correct if it is $54$ 0 votes 0 votes pC commented Jan 23, 2017 reply Follow Share Yes it is 54. I made a mistake while posting question. B is correct. I too got B 0 votes 0 votes Please log in or register to add a comment.
