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# water in a canal, 8 m wide and 6 m deep, is flowing with a speed of 12 km/hour. how much area will it irrigate in one hour, if 0·05 m of standing water is required ?

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## Water in a canal, 6 m wide and 1.5 m deep, is flowing with a speed of 10 km/hr. How 3 much area will it irrigate in 30 minutes, if 8 cm of standing water is needed?

Click here👆to get an answer to your question ✍️ Water in a canal, 6 m wide and 1.5 m deep, is flowing with a speed of 10 km/hr. How 3 much area will it irrigate in 30 minutes, if 8 cm of standing water is needed?

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## Water in a canal, 6 m wide and 1.5 m deep, is flowing with a speed of 10 km/hr. How 3 much area will it irrigate in 30 minutes, if 8 cm of standing water is needed?

Medium Open in App

Updated on : 2022-09-05

Canal is in the shape of cuboid , where,

Solution Verified by Toppr Breadth =6 m Height =1.5 m

Speed of canal =10 km/hr

Length of canal in 1 hour =10 km

Length of canal in 60 minutes =10 km

Length of canal in 1 minute =

60 1 ​ ×10 km

Length of canal in 30 minute =

60 30 ​ ×10=5km=5000 m Now,

= 5000×6×1.5 m 3 Now,

Volume of water in canal = Volume of area irrigated

Volume of water in canal = Area irrigated × Height

5000×6×1.5 = Area irrigated ×

100 8 ​ Area irrigated = 8 5000×6×1.5×100 ​

Area irrigated = 562500 m

2 Area irrigated = 10000 562500 ​ hectares

Area irrigated = 56.25 hectares

1219 43

स्रोत : www.toppr.com

## Water in a canal, 6 m wide and 1.5 m deep, is flowing with a speed of 10 km/h. How much area will it irrigate in 30 minutes, if 8 cm of standing water is needed?

Water in a canal, 6 m wide and 1.5 m deep, is flowing with a speed of 10 km/h. How much area will it irrigate in 30 minutes, if 8 cm of standing water is needed?

Byju's Answer Standard X Mathematics Volume of a Cuboid Water in a ca... Question

Question 8

Water in a canal, 6 m wide and 1.5 m deep, is flowing with a speed of 10 km/h. How much area will it irrigate in 30 minutes, if 8 cm of standing water is needed?

Open in App Solution Given,

Depth of water in a canal

= 1.5 m Width = 6 m Speed of canal = 10 k m / h r [ ∵ 1 k m = 1000 m ]

Length of canal in 30 min

= 30 6 × 10 = 5 k m = 5000 m Height = 8 c m = 0.08 m [ 1 m = 100 c m ] Volume of canal = length × breadth × height = 1.5 × 6 × 5000 = 45000 m 3 A r e a = V o l u m e H e i g h t = 45000 0.08 = 562500 m 2

Hence, area irrigated

= 562500 10000 hectares Area irrigated = 56.25 hectares Suggest Corrections 134 Video Solution

NCERT - Grade 10 - Mathematics - Surface Areas and Volumes - Q25

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03:42 Min | 1669 Views

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SIMILAR QUESTIONS

Q.

Water in canal, 6 m wide and 1.5 m deep, is flowing with a speed of 10 km/h. how much area will it irrigate in 30 minutes, if 8 cm of standing water is needed?

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deep, is flowing with a speed of

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. How much area will it irrigate in

30 minutes, if 8 c m

of standing water is needed?

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स्रोत : byjus.com

## a Water in a canal, 8 m wide and 6 m deep, is flowing with a speed of 12 km/hour. How much area will it

A Water in a canal, 8 m wide and 6 m deep, is flowing with a speed of 12 km/hour. How much area will it irrigate in one hour, if 0.05 m of standing water - 5168…