In Indus Valley Civilisation (about 3000 B.C.), the bricks used for construction work were having dimensions in the ratio:

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4: 2: 1

4: 4: 1

4: 3: 2

1: 3: 4

answer is B.

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Detailed Solution

From 3200 to 1300 BC, the Indus Valley Culture (IVC), often denoted by its major city Harappa, lasted nearly two millennia. Its history dates back to around 6800 BC, when a 4000-year expansion of villages and towns, trading activity, and technological advancements culminated in the construction of large brick-built cities between 2600 and 1900 BC.

In Indus Valley Civilization, the bricks used for construction work were having dimensions in the ratio length : breadth : thickness = 4:2:1.

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