What ratio must a shopkeeper mix Peas and Soybean of Rs.16 and Rs. 25/kg, As to obtain a mixture of Rs.21?  Choose the correct choice from the following choices:
A) 10 : 7  B) 9 : 8  C) 4 : 5  D) 13 : 11  E) 14 : 8
4 : 5orrect option: (4 : 5)   Use rule of alligation, to determine the ratio   The required ratio of Soybean and Peas = 4 : 5
<result>C</result>
What ratio must a shopkeeper mix Peas and Soybean of Rs.16 and Rs. 25/kg, As to obtain a mixture of Rs.21?