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Weighing with a Known Weight

What weight i...

Question

What weight is required to balance a weighing machine with three 3 kg bags on one pan.

A

2 kg

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B

4 kg

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C

6 kg

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D

9 kg

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Solution

The correct option is D 9 kg
There are 3 bags weighing 3 kg each
hence total weight is 3 x 3 = 9 kg
Hence to balance these bags we require 9 kg weight

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