If y ∝ x and y = 16 when x = 4 find y when x = 6?
- 22
- 23
- 24
- None of these
Explanation
Since y ∝ x, we have y = kx for some constant k.
When x = 4, y = 16:
16 = k × 4 → k = 4
Now for x = 6:
y = 4 × 6 = 24
Last verified 13-05-2026
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