Due to 10% decrease in the price of sugar and John can buy 4kg more sugar in Rs100 , then find the CP of sugar?
Choices:
A) s. 1(2/9)
B) s. 2(7/9)
C) s. 2(1/9)
D) s. 3(2/7)
E) s. 4(2/9)
Here r = 10 % ,x = 100 and A = 4 kg   Actual price of sugar = 10*100/((100-10 )*4) = Rs. 2(7/9)   s. 2(7/9)
<result>B</result>
Due to 10% decrease in the price of sugar and John can buy 4kg more sugar in Rs100 , then find the CP of sugar?