Q. 343.6( 5 Votes )

Answer :

Given that area of cuboid =160 cm^{2}

Level of water is increased = 2 cm

Volume of vessel =160× 2 cm^{3} ……. (1)

Volume of each sphere ^{3}

Volume of 3 sphere ^{3} ……. (2)

From eq 1 and eq 2

⇒ 3×(4/3) π R^{3} = 160× 2

⇒ R = 2.94 cm

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RD Sharma - Mathematics