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1 Mark Question

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2 questions · self-marked practice — reveal the answer and mark yourself.

Question 11 Mark
My class, i.e. Std. VI, is a part of my school. My school is in my town. My town is a part of a taluka. In the same way, the taluka is a part of a district, and the district is a part of Maharashtra State. In the same way, what can you say about these groups of numbers?

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Answer
By observing the above given groups of numbers, we can infer that natural numbers are a part of whole numbers. In turn, whole numbers are a part of integers.
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Question 21 Mark
Look at the picture of the kulfi man. Why do you think he keeps the kulfi moulds in a mixture of salt and ice?

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Answer
Kulfi man keeps the kulfi moulds in a mixture of salt and ice because such a mixture helps in keeping the kulfi cool for a longer period of time. The kulfi kept in the said mixture relatively takes more time to melt. This mixture is Considered ideal as it has the temperature of -4°C as against the temperature of ice i.e. 0°C.
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