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A rectangular tank measuring 5m * …

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A rectangular tank measuring 5m * 4.5m * 2.1m is dug in the centre of the field measuring 13.5m * 2.5m. The earth dug out is spread evenly over the remaining portion of the field. How much is the level of the field raised?

Posted by Anusha Arora 8 years, 11 months ago

CBSE > Class 09 > Mathematics

1 answers

Ghanshyam Kumar 8 years, 11 months ago

Area of field=13:5×2:5=33:75

Upper area of tank=5×4:5=22:5

Area of field on which soil is spread=33:75_22:5

=11:25m Volume of tank=5×4:5×2:1=47:25m^3

Raised in level=volume of tank/area of field on which

soil spread=47:25/11:25=4:2

So,raised level=4:2m

1Thank You

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