Question

5. एक आयताकार जलाशय की लम्बाई 6 मीटर और चौड़ाई 5 मीटर है। उसमें एक नल से 120 लीटर प्रति मिनटकी रफ्तार से पानी भरा जाता है, जलाशय में पानी का तल कितने सेमी प्रति घण्टा से ऊपर उठेगा?​

Answer 1

Answer:

Step-by-step explanation:lik8,

Answer 2

The height of water in  water tank in 1 hour=24 cm

Step-by-step explanation:

Length of rectangular tank=6 m=$6\times 100=600cm$

1 m=100 cm

Breadth of rectangular tank=5m=$5\times 100=500 cm$

Let h be the height of rectangular tank

In 1 minute ,water can be filled in water tank by tap=120 Liter

In 60 minutes ,water can be filled in water tank by tap=$120\times 60=7200 liter$

We know that

1000 cubic centimeter=1 Liter

7200 liter=$7200\times 1000$ cubic centimeter

In 60 minutes ,water can be filled in water tank by tap=$7200\times 1000$ cubic centimeter

Volume of water filled in tank=water filled by tap in water tan

$l\times b\times h=7200\times 1000$

$600\times 500\times h=7200\times 1000$

$h=\frac{7200\times 1000}{600\times 500}=24$cm

Hence, the height of water in water tank in 60 minutes= 1 hour=24 cm

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