Which of the following is in direct proportion?
(i) One side length of a cuboid and its volume.
(ii) Time needed to complete a work and number of people working
(iii) Circumference of a circle and its diameter.
(iv) Number of pipes filling up the tank and the time required to fill up the same tank.
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Answer:
(2) is the correct
Step-by-step explanation:
(2) is the correct answer
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