question_answer

In what radio must a grocer mix two varieties of pulses costing Rs. 18 and Rs 24 per kg respectively so as to get a mixture worth Rs. 20.00 per kg?

A)  \[3:1\]                            

B)  \[1:4\]

C)  \[2:1\]                            

D)  \[2:3\]

Correct Answer: C

Solution :

 By the rule of allegation : Cost of 1 kg pulses of 1st kind Cost of 1 kg pulses of 2nd kind    Required rate \[=4:2=2:1\]