Both x and y vary inversely with each other. When x is 10, y is 6, which of the following is not a possible pair of corresponding values of x and y?

Question

Philoid · Accepted Answer

Since x and y vary inversely, i.e.

If x = 10 and y = 6

∴

In option (a),

In option (b),

In option (c), 25× 2.4 = 60

In option (d), 45 × 1.3 = 58.3

Hence option (d) is correct.