In what ratio must tea worth Rs. 60 per kg be mixed with tea worth Rs. 65 a Kg such that by selling
the mixture at Rs. 68.20 a Kg ,there can be a gain 10%?
Options
A) 3 : 2 B) 2 : 3 C) 4 : 3 D) 3 : 4 E) None of these
Explanation :   Cost Price(CP) of 1 Kg mixture = Rs. 68.20   Profit = 10%   Cost Price(CP) of 1 Kg mixture= 100(100+Profit%)×SP=100(100+10)×68.20=100110×68.20=68211=Rs.62   By the rule of alligation:   CP of 1 kg tea of 1st kind CP of 1 kg tea of 2nd kind   60 65   Mean Price   62   65 - 62= 
<gadget id="calculator">65 - 62</gadget>
<output>3</output>
3 62 - 60= 2   Hence required ratio = 3 : 2   3 : 2nswer : Option 3 : 2
<result>A</result>
In what ratio must tea worth Rs. 60 per kg be mixed with tea worth Rs. 65 a Kg such that by selling
the mixture at Rs. 68.20 a Kg ,there can be a gain 10%?