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प्रश्न
The area of the base of a rectangular tank is 6500 cm2 and the volume of water contained in it is 2.6 m3. The depth of water in the tank is
विकल्प
3.5 m
4 m
5 m
8 m
उत्तर
4 m
Area of the base of a rectangular tank
= 6500 cm2
`= (6500/(100xx100)) "m"^2`
`= 13/20 "m"^2`
Let the depth of the water be d meters.
Then,
`13/20xx"d"=2.6`
`=> "d" = (26/10xx20/13) "m"`
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