Four bells ring 12,18,26,30 times in a sec . After how many minutes they will ring togather

Four bells ring together at a certain time. After this, they rang at intervals of 6, 8, 10 and 12 seconds, respectively. After how many minutes will they be rang together for the first time? चार घंटियाँ एक निश्चित समय पर एक साथ बजती हैं | इसके बाद वे क्रमश : 6, 8, 10 और 12 सेकंड के अंतराल पर बजती हैं | कितने मिनटों के बाद वे फिर से पहली बार एक साथ बजेगी

Four bells rings after on interval 9,12,15,18 sec. In 36 min how many times will they ring together .

Four bells rings after an interval 9,12,15,18 sec. In 36 min how many times will they ring together.

Three bells ring at intervals of 15,20 and 30 minutes.If they all ring at 10 'clock in thmorning together,at what time will they ring together again?

Four bells ring at 16, 24, 36, 42 minute intervals. If they ring together at 6.00 am, after bow long would they next ring together?

Three bells rings at the interval of 10, 15 and 20 min, respectively. If they all ring at 11 am at once, then What time they will ring together again?