Question

Which of the following show direct variation?
a) Height of a child (x) and his weight (y) as he grows
b) Distance travelled (x) and time taken (v). if a car is not moving at a uniform speed
(c) Wages of a worker (x) and the number of hours of work (y)
(d) The number of students (x) and the fees paid by them (y)
(e) Number of rainy days (x) and the amount of rainfall on those days (y)​

Answer 1

height of a child bx and his weight y as he grows