Q. 384.2( 13 Votes )

# How many coins 1.

Answer :

Volume of cuboid = l × b × h = 11 × 10 × 7

Diameter of coin = 1.75 cm

Radius cm = 0.875 cm

Thickness of coin =2 mm = 0.2 cm

Volume of coin (cylinder)

= (22/7) × 0.875 × 0.875 × 0.2 cm3

Let number of coins be n

n × volume of coins = volume of cuboid

n × (22/7) × 0.875 × 0.875 × 0.2 = 11 × 10 × 7

n = 1600

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