Question

1. Four bells ring together. Then they ring at intervals of 5, 10, 12 and 15 seconds respectively. After what smallest interval of time will they ring again together?4 बॉल स्विंग टुगेदर विद ए रिंग ए टेबल ऑफ 5 कॉमन कॉमन एंड 15 सेकंड डेसपरेटली आफ्टरवार्ड स्मालेस्ट इंटरवल ऑफ टाइम विल ब्रिंग टुगेदर ​

Answer 1

Answer:

60 mins or 1 hour

Step-by-step explanation:

To find out when they will ring together, we first find the LCM of the intervals.

The LCM of 5, 10, 12 and 15 is 60.

So, they will ring together after 60 minutes, that is 1 hour!

I hope you understood it