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First part = x and second part = 84 – x => (x/4)/[(84-x)/5] = 1/2 ⇒ x/4 × 5/(84-x) = 1/2 ⇒ 10x = 336 - 4x ⇒ 14x = 336 ⇒ x = 24 Second part will be 84 – 24 = 60 Required percentage =(24/60) × 100 = 40%
Match List I with List II