A shopkeeper purchased 70 kg of potatoes for Rs. 420 and sold the whole lot at the rate of Rs. 6.50 per kg. What will be his gain percent?
4(1/6)%
6(1/4)%
8(1/3)%
20%
28%
C.P of 1 kg = Rs. (420/70)= Rs. 6.
S.P of 1 kg = Rs. 6.50
∴ Gain % = (0.506×100)%=253%=813%.
Ravi purchased 30 kg of rice at the rate of Rs.17.50 per kg and another 30 kg rice at a certain rate. He mixed the two and sold the entire quantity at the rate of Rs.18.60 per kg and made an overall profit of 20%. What was the price (per kg) of the second lot of rice?
How much chicory at Rs.4 per kg, should be added to 15 kg of tea at Rs. 10 per kg so that the mixture is worth Rs. 6.50 per kg?