Question
Three bells ring at intervals of 28 seconds, 60 seconds,
and 84 seconds, respectively. How many times will all three bells ring together in a span of 10 minutes?Solution
Time taken by all 3 bells to ring together = L.C.M of 28, 60 and 84 = 420 seconds 10 minutes = 10 X 60 = 600 seconds 600 ÷ 420 ~ 1.42 So, the three bells will ring together only once in the given interval of 10 minutes.
The standard policy of ECGC covers the risk of which of the following?
On which festival did the Jallianwala Bagh Massacre take place?
Simplify:
72 – 4(40 + 24 ÷ 8 × 6 – 4 × 4) + 20
How big are red blood cells in diameter?
When did the Maharashtra government launch the 'Jail Tourism' initiative?
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1. Basic (untied) grants can be used by ru...
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