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प्रश्न
Solve the following numerical problem.
20 one – rupee coins are placed one above the other. If their total height is 32 mm, find the thickness of one coin.
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उत्तर
Number of coins 20
Total height of coins = 32 mm
Thickness of one coin?
Thickness of one coin = Height of all coins / Number of coins
=`32/60`
= 1.6 mm
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