While trying to sleep at night, Aarav heard insects
chirping. He noticed that beetles chirp for 2 sec
and then stay silent for 1 sec. Grasshoppers chirp
for 3 sec and then stay silent for 2 sec. Fireflies
make noise for 1 sec and then stay silent for 5 sec
and frogs croak for 4 sec and stay silent for 4 sec.
Q5. If Aarav heard absolute
silence at 1 AM, at what time will
he hear absolute silence again?
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