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:
42 comments Page 4 of 5.

Shree said:   7 years ago
Clear and detailed explanation. Thank you.

Ladli said:   1 decade ago
How you got 3.50 and 1.50? Please tell me.

Manasa said:   1 decade ago
@ladli
(20-16.50):(16.50-15)=3.50:1.50=7:3

Madhuri said:   9 years ago
Why can't be the answer is 3 : 7?

Bitu ojah said:   7 years ago
Thank you so much @Kousik Maji.

Rashmi said:   8 years ago
Well explained @Kousik Maji.

Shashank said:   1 decade ago
350/100:150/100=35:15=7:3

Sathish said:   1 decade ago
How we get 3.50:1.50=7:3?

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

Krishna teja said:   1 decade ago
Atul thank you :).


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