HCU MCA 2015 Paper

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Question : 3 of 75

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A scientist is sent by his wife to buy 2 kg of sugar. He is afraid of being cheated and so thinks of a trick by which even if the balance arms are not of equal length he cannot loose. Which of the following is his trick ?

Weigh 1 kg of sugar, Replace the weight by this 1 kg of sugar and weigh another Kg of sugar.
Weight 1 kg of sugar. Move this 1 kg sugar to the pan with the weight and now weigh 2 kgs of sugar.
Weigh 1 kg of sugar. Change the weight position to the other pan and weigh another Kg of sugar.
None of these.

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