Question

The price of pure coconut oil is Rs. 200 per litre. A shopkeeper adulterate it with some other types of oil at 100 per litre. He sells the mixture a
the rate of 192 per litre so that to gain 40 % on whole transaction. The
ratio in which he mixed the two oil is:
(A) 1:2
(B) 3:2
(C) 2:4
(D) 1:4
(E) None of these​

Answer 1

Answer:

B is the correct answer