Three bells ring simultaneously at 11a . m . They ring at regular Inte – InterviewSolution

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1.	Three bells ring simultaneously at 11a . m . They ring at regular Intervals of 20 minutes. 30 minutes. 40 minutes respec- tively. The time when all the three ring together next Is1). 2 p.m.2). 1 p.m.3). 1.15 p.m.4). 1.30 p.m.
Answer» RIGHT ANSWER for this QUESTION is OPTION 2

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