Saturday, 16 March 2019

A dealer buys oranges of two qualities one at Rs. 12 a dozen and the other at Rs. 8 a dozen. These were mixed up and he sells them at 15 per Rs. 12 and thereby makes 5% on his total outlay.

A dealer buys oranges of two qualities one at Rs. 12 a dozen and the other at Rs. 8 a dozen. These were mixed up and he sells them at 15 per Rs. 12 and thereby makes 5% on his total outlay. The ratio of the number of oranges of the two kinds is 
(a)2:5 
(b)3 :5 
(c) 4 :5 
(d)1 :5