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Question
Which is heavier? One kilogram cotton or one kilogram iron?
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Solution
Both have equal weight, and both are equal.
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A frog was struggling to escape from the mouth of a crow. How can I escape? The frog thought. Suddenly a trick came to his mind. He asked the crow-Are you good at arithmetic? If yes, then I will ask you a problem.
Your weight is 650 g and I am only 145 g. How much do we weigh together? The crow was good at mathematics, so he happily opened his beak to answer.
What happened after that? So what was the answer the crow wanted to give?
