Diameter of a cylindrical tank is $7$ cm. If volume of tank is $770$ $m^{3}$ , then find the height of tank?

50 m

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20 m

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50 c m

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200 m

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Solution

The correct option is D $20 m$
Radius $= \frac{7}{2} c m$
Volume: $\frac{22}{7} \times \frac{7}{2} \times \frac{7}{2} \times h = 770$
$\Rightarrow h = 50 m$

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Diameter of a cylindrical tank is 7 cm. If volume of tank is 770 m3, then find the height of tank?

The correct option is D 20mRadius=72cmVolume:227×72×72×h=770⇒h=50m

Diameter of a cylindrical tank is $7$ cm. If volume of tank is $770$ $m^{3}$ , then find the height of tank?

The correct option is D $20 m$
Radius $= \frac{7}{2} c m$
Volume: $\frac{22}{7} \times \frac{7}{2} \times \frac{7}{2} \times h = 770$
$\Rightarrow h = 50 m$