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प्रश्न
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
The distance travelled by CNG bus and the amount of CNG used.
उत्तर
The distance travelled by CNG bus and the amount of CNG used are directly proportional.
E.g. Let a CNG bus can travelled 10 km in 1 kg of CNG.
Then, the same CNG bus travelled 20 km in 2 × 1 = 2 kg of CNG.
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