In Indus Valley Civilisation (about 300 B.C.), the bricks used for construction work were having dimensions in the ratio :
In Indus Valley Civilisation (about 300 B.C.), the bricks used for construction work were having dimensions in the ratio :
A
`1 : 3 : 4`
B
`4 : 2 : 1`
C
`4 : 4 : 1`
D
`4 : 3 : 2`.
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