Mathematics · LCM and HCF
Four different electronic devices make a beep after every 30 minutes, 45 minutes, 112 hours, and 1 hour 45 minutes respectively. If all the devices beeped together at 12 noon, at what time will they beep together again?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 112 midnight
- 21:30 pm
- 310:30 pm✓
- 49 am
Correct answer
10:30 pm
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice LCM and HCF MCQs →Want more practice questions on LCM and HCF?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · LCM and HCF