Sainik School Entrance Exam 2019 Solved Paper

Question : 20 of 150

Marks: +1, -0

Cubical boxes of volume

15625 {\cm}^3

each are put in a cubical store of side

2.5 {\m}

. How many such boxes can be put in the store?

Solution:

(d) Suppose that,

m

small cubical boxes are put in cubical store.

∴

Volume of cubical store

=m ×

Volume of cubical boxes

∴

Side of cubical store

=2.5 {\m}=250 {\cm}

∴ 250 ×250 ×250=m ×15625

m={250 ×250 ×250}/{15625}={15625000}/{15625}

∴m=1000

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