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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?

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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৪ঃ ৫= ১২ঃ x হলে x -এর মান কত হবে?