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Question
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
The quantity of rice and its cost.
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Solution
The quantity of rice and its cost are directly proportional to each other.
E.g., Let 1 kg of rice price = ₹ 40
Then, 2 kg of rice price = ₹ 2 × 40 = ₹ 80
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