Aptitude - Alligation or Mixture - Discussion

Discussion Forum : Alligation or Mixture - General Questions (Q.No. 5)
5.
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?
3 : 7
5 : 7
7 : 3
7 : 5
Answer: Option
Explanation:

By the rule of alligation:

Cost of 1 kg pulses of 1st kind Cost of 1 kg pulses of 2nd kind
Rs. 15 Mean Price
Rs. 16.50
Rs. 20
3.50 1.50

Required rate = 3.50 : 1.50 = 7 : 3.

Discussion:
44 comments Page 5 of 5.

Vikas Kohli said:   1 decade ago
How 3.50 and 1.50 come?

Pooja said:   1 decade ago
=3.50/100= 0.035.
& 1.50/100 = 0.015.

How 3.50/100 = 35., 1.50/100 = 15.?

Dinaz Khan said:   1 decade ago
I don't understand the answer please explain clearly.

Ladli said:   2 decades ago
How you got 3.50 and 1.50? Please tell me.


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