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If y is inversely proportional to x. y is 10 when x is 2. Find y when x is 5?
  1. 3
  2. 4
  3. 5
  4. None of these
Explanation

Inverse proportion: y ∝ 1/x, so y × x = constant

Given: 10 × 2 = 20

So when x = 5 ⇒ y = 20 ÷ 5 = 4


Last verified on 23-06-2026

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