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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 Is
- A2 p.m.
- B1 p.m.
- C1.15 p.m.
- D1.30 p.m.
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0
CCommunity
right answer for this question is option 2
0
CCommunity
LCM of 20, 30 and 40
minutes = 120 minutes
Hence, the bells will toll together
again after 2 hours i.e. at 1 p.m.
minutes = 120 minutes
Hence, the bells will toll together
again after 2 hours i.e. at 1 p.m.