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Four bells ring together at a certain ti...

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

A

1 Minute / मिनट

B

`1 1/2` Minute / मिनट

C

`2 1/4` Minute / मिनट

D

2 Minute / मिनट

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