In what proportion must some tea at Rs. 60 per kg. be mixed with another tea at Rs. 65 per kg. so that the new mixture is sold at Rs. 68.2 per kg. at a profit of 10%?



[ A ]    2 : 3
[ B ]    3 : 2 right
[ C ]    4 : 3
[ D ]    5 : 7
Answer : Option B
Explanation :
Selling price = Rs 68.2

Profit = 10%

So, Cost price = $68.2 \times 100 \over 110$ = Rs.62

By alligtion method,

Reqd ratio = 3:2

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