Q21
In what ratio must a grocer mix two varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively so as to get a mixture worth Rs. 16.50 kg?
A.
3 : 7
B.
5 : 7
C.
7 : 3
AnswerD.
7 : 5
Answer: Option C
Solution
Answer: Option C
Solution:
By the rule of alligation, we have:
∴ Required rate = 3.50 : 1.50 = 7 : 3