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Lun

· started a discussion

· 1 Months ago

About question (Question: 108007.0 )

How is this trapezium and not a frustum of cone

Question:

A canal is 5 mtr. wide at bottom and 8 mtr. wide at top. The depth of water is 4 mtr. Water is flowing in the canal with the speed of 10 mtr./second. How much cubic mtr. of water will flow in 1 minute?

Options:
A) 7800
B) 15,600
C) 23,400
D) 11,700
Solution:
Ans: (b) Area of the base \(\cfrac{1}{2}\) (sum of parallel sides) × Height

= \(\cfrac{1}{2}(8+5)\times4=26\) m2

\(\because\) Speed of water = 10 m/sec.

\(\therefore\) Volume of water = 26 × 10 × 60 = 15600 m3

sonu

· commented

· 1 Months ago

Yet to be approved!

Vineet

· commented

· 1 Months ago

i agree bro..

ARUN

· commented

· 1 Months ago

it's a canal
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