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Which is the smallest three digit square...

Which is the smallest three digit square number?
a) 100
b) 101
c) 81
d) 121

Text Solution

Verified by Experts

The correct Answer is:
the clock runs 28.8 minutes slowere in one day.
The pendulum of the clock has time period 2.03 sec.
Now no of oscillation in 1 day
`=(24xx3600)/2`
=43200
But in each oscillation it is slower by
`(2.04-2.00)=00.04sec`
So in one day it is slower by
`=43200xx(0.04)`
`=28.8min`
so, the clock runs 28.8 minutes slowere in one day.
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