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Question : A conical vessel (solid) is made of iron. Its base radius is 7 cm and its height is 15 cm. If the weight of the iron per cubic centimetre is 15 g, what is the weight of the vessel?

Option 1: 13.55 kg

Option 2: 12.55 kg

Option 3: 14.55 kg

Option 4: 11.55 kg


Team Careers360 20th Jan, 2024
Answer (1)
Team Careers360 24th Jan, 2024

Correct Answer: 11.55 kg


Solution : Base radius of conical vessel = 7 cm
Height of conical vessel = 15 cm
Weight of the iron per cubic centimetre (density) = 15 g
Volume of the Conical Vessel = $\frac{1}3\pi r^2h$
= $\frac{1}3\pi \times 7^2\times 15=770$ cm 3
Weight of vessel = Volume × Density
= 770 × 15
= 11550 gm
= 11.55 kg
Hence, the correct answer is 11.55 kg.

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