In the question, two quantities (I) and (II) are given. You have to solve both quantities to establish the correct relation between Quantity (I) and Quantity (II) and choose the correct option.

Quantity (I): A shirt with a cost price of 1600 Rs. is marked 'x'% above its cost price and sold after two successive discounts of 120 Rs. and 25% respectively for a profit of 50 Rs. A pan with a cost price of 1250 Rs. is marked (x + 3)% above its cost price and sold after a discount of 20%. Find the profit earned on selling the pan.

Quantity (II): 'Tara' and 'Sara' started a business by investing 'y' Rs. and (y + 60) Rs. for 15 months and 18 months respectively such that the profit share of 'Sara' was 50% more than that of 'Tara'. Find the amount invested by 'Tara'.