A reduction of 20% in the price of sugar enables a person to get 7.8 kg more sugar for Rs.3.90. The original price of sugar per kg is
a) Rs. 10
b) Rs.11.50
c) Rs. 12.5
d) Rs. 15 ,
e) Rs. 10.5
a) Rs. 10
b) Rs.11.50
c) Rs. 12.5
d) Rs. 15 ,
e) Rs. 10.5