Question

The thickness of a coin is 20 mm. How many coins can be used to reach at the top of tower if the height of tower is 1 m?​

Answer 1

Answer:50

Explanation:total height attained=n×thichness of the coin.

Hence, number of coins (n) =total height/thickness.

N=1000/20=50

Hence proved.

Answer 2

Answer:

height of tower =1meter

height in mm=1*1000=1000mm

thickness of coin =20mm

no. of coins required =1000/20

=50 coins