LCM AND HCF

TNPSC APTITUDE QUESTIONS – LCM AND HCF TNPSC APTITUDE QUESTIONS – LCM AND HCF – 2023 TNPSC EXAMS QUESTIONS. 1) The traffic lights at three different road crossings change after every  48 seconds, 72 seconds and 108 seconds respectively. If they change simultaneously at 7 a.m., at what time will they change simultaneously again? 48 … Read more