Mathematics · LCM and HCF

दो घंटियाँ क्रमशः 78 सेकंड और 46 सेकंड के अंतराल पर बजती हैं। यदि वे दोनों सुबह 10 बजे एक साथ बजती हैं, तो कितने सेकंड बाद वे फिर से एक साथ बजेंगी?

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