Question

3. If x and y vary directly, which of the following is
not true?
(a) If x increases y also increases
(b) If x decreases y also decreases
(c) If x decreases y increases.
[Sol. (b)]​

Answer 1

Answer:

OPTION (c) IS NOT TRUE BECAUSE x AND y VARY DIRECTLY, WHICH MEANS THAT A CHANGE IN x MEANS THERE WILL BE A CHANGE IN y