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The value of "A" varies in inverse proportion as the square of "B". If the value of "A" is equal to 40 , when "B" is equal to 12. What would be the value of "A" when "B" is equal to 24?

Correct Answer: 10
Given , A = 40 When B = 12 A = ? When B = 24 ATQ, A ∞1B2⇒A = k1B2⇒K = AB2⇒K = 40×(12)2.'. k = 5760(i) ⇒A = 5760242⇒A = 5760576.'. A  = 10 

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