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ATQ, Let Alex invests for a months so Alex : Ben : Curry : Dev 9a : 7 × 24 : 5 × 18 : 8 (24 – a) [168/(450 + a)] = (21/58) 9744 = 9450 + 21a 294 = 21a a = 14 So Alex invests for 14 months and D invests for (24-14) = 10 months
Match Column I and Column II and choose the correct match from the given choice