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

d.  7:5

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adminArithmetic
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 d.  7:5