111. A sells his goods 30% cheaper than B and 30% dearer than C. By what % is the cost of C’s good cheaper than B’s goods.
Sol:
∴ required % = \(\frac{{1300 – 700}}{{1300}} \times 100\)
= \(\frac{{600}}{{13}}\)
= 46.15% Answer
112. Due to a 20% increase in the price of sugar, a person is able to purchase 30 kg less of sugar for rupees 540. Find the initial price.
Sol:-
∴ original consumption = 6×30 = 180
& new consumption = 5×30 = 150
∴ original price of sugar = \(\frac{{540}}{{180}}\) = 3 Rs/kg Answer