The area of cross-section of a pipe is $5.4 {c m}^{2}$ and water is pumped out of it at the rate of $27 k m / h$ . Find in litres the volume of water which flows out of the pipe in one minute.

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Solution

Rate = $27$ $k m / h$
= $2700000$ $c m /$ $60$ $m i n u t e s$
= $45000$ $c m / m i n u t e$
Volume = $a r e a$ $o f$ $b a s e$ $\times$ $h e i g h t$
= $5.4 \times 45000 = 243000$ $c m^{3}$

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The area of cross-section of a pipe is 5.4cm2 and water is pumped out of it at the rate of 27 km/h. Find in litres the volume of water which flows out of the pipe in one minute.

Rate = 27 km/h =2700000 cm/ 60 minutes = 45000 cm/minuteVolume = area of base × height =5.4×45000=243000 cm3

The area of cross-section of a pipe is $5.4 {c m}^{2}$ and water is pumped out of it at the rate of $27 k m / h$ . Find in litres the volume of water which flows out of the pipe in one minute.

Rate = $27$ $k m / h$
= $2700000$ $c m /$ $60$ $m i n u t e s$
= $45000$ $c m / m i n u t e$
Volume = $a r e a$ $o f$ $b a s e$ $\times$ $h e i g h t$
= $5.4 \times 45000 = 243000$ $c m^{3}$