Question
If A varies directly as B and inversely as C and A = 6,
B = 3 and C = 5, what is the value of A when B = 5 and C = 2?Solution
Let the constant be x, According to the question, => A = x × B/C => 6 = x × 3/5 => x = 10 Now putting the value of A, => A = 10 × (5/2)              => A = 25
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