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A cylindrical water tank of diameter …

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A cylindrical water tank of diameter 4 m and height 3.5 m is filled completely with water. A tap attached to the tank empties the tank at the rate of 2 liters per minute . In how many minutes the tank will be empty.

Posted by Rathi Kajal 8 years, 9 months ago

CBSE > Class 08 > Mathematics

1 answers

Naveen Sharma 8 years, 9 months ago

Ans. Diameter of Cylinderical Tank = 4m

Radius of Cylinderical Tank = 4/2 = 2m

Height of Cylindrical Tank = 3.5m

Volume of Tank = \(\pi {r^2} h\)

\(= {22\over 7} ×{2^2}×3.5={22\over 7}×4×3.5\)

= 44m³

We Know, 1m³= 1000L

44m³= 44000 L

Total Time To Empty Tank = 44000/2 = 22000m

= 22000/60 = 1100/3 hours = 366 hours 40 minutes

1Thank You

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