A faulty clock gains 1/4min each day. How many days does the clock take to gain 1/4hour?
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1 day clock gains 1/4 minute = 15seconds
1/4 hour =(60×60)÷4 =900 seconds
so it takes 900÷ 15 days
=60 days
1/4 hour =(60×60)÷4 =900 seconds
so it takes 900÷ 15 days
=60 days
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