Practice | Hashtable

1. What is the weight of water contained in a conical vessel 21 cm deep and 16 cm in diameter ?

A. 1.256 kg

B. 1.408 kg

C. 2.480 kg

D. 3.875 kg

Solution:

Volume of water :

\begin{aligned} = (\frac{1}{3} \times \frac{22}{7} \times 8 \times 8 \times 21) c m^{3} \\ = 1408 c m^{3} \\ = (\frac{1408}{1000}) k g \\ = 1.408 k g \end{aligned}

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