Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Rs. 153 per kg, the price of the third variety per kg will be:	Choose the correct choice from the following answers:	A) Rs. 169.50	B) Rs. 170	C) Rs. 175.50	D) Rs. 180	E) Rs. 190
Explanation:   Since first and second varieties are mixed in equal proportions.   So, their average price = Rs. 126 + 135 = Rs. 130.50   2   So, the mixture is formed by mixing two varieties, one at Rs. 130.50 per kg and the other at say, Rs. x per kg in the ratio 2 : 2, i.e., 1 : 1. We have to find x.   x - 153/22.50=1   x - 153 = 22.50   x = 175.50   ANSWER IS Rs. 175.50
<result>C</result>
Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Rs. 153 per kg, the price of the third variety per kg will be: