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A cuboidal tank can store 5040liters …

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A cuboidal tank can store 5040liters of water .the external dimensions of tank are 2.2m×1.7m×1.7m.If the walls of the are 5cm thick ,then what is the thickness of the bottom of the tank?

Posted by Sadhna Kashyap 8 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Akhil Midya 5 years, 2 months ago

Answer=10

0Thank You

Rashmi Bajpayee 8 years, 10 months ago

Volume of tank = 5040 litres = 5040000 cu.cm

Dimensions of tank = 2.2 m x 1.7 m x 1.7 m = 220 cm x 170 cm x 170 cm

Walls of tank are 5 cm thick.

Therefore, length = 220 - 5 - 5 = 210 cm

Breadth = 170 - 5 - 5 = 160

According to question,

l x b x h = 5040000

210 x 160 x h = 5040000

h = 150 cm

Then thickness of bottom = 150 - 5 - 5 = 140 cm = 1.4 m

2Thank You

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CBSE > Class 09 > Mathematics