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Question 12 Marks
Can you give examples from science or everyday life of quantities that vary in direct proportion ?
Answer
  1. Number of chairs and the number of spectators.
  2. Quantity (litres) of water and number of vessels required to store the water.
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Question 22 Marks
Are the amount of petrol filled in a motorcycle and the distance traveled by it, in direct proportion ?
Answer
Yes.
If amount of petrol filled in the motorcycle is less, it will travel less distance and if the amount of petrol filled is more, it will travel more distance.
Hence, the amount of petrol filled in the motorcycle and the distance traveled by it are in direct proportion.
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2 Mark Question - Maths STD 7 Questions - Vidyadip