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?
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:
43 comments Page 5 of 5.
Pooja said:
1 decade ago
=3.50/100= 0.035.
& 1.50/100 = 0.015.
How 3.50/100 = 35., 1.50/100 = 15.?
& 1.50/100 = 0.015.
How 3.50/100 = 35., 1.50/100 = 15.?
Ladli said:
1 decade ago
How you got 3.50 and 1.50? Please tell me.
Codetackler said:
10 years ago
Let 15 is to be added in x amount.
Then 20 is to be added in (1-x).
Then, 15(x)+20(1-x) = 16.5.
Answer is (x/(1-x)).
Then 20 is to be added in (1-x).
Then, 15(x)+20(1-x) = 16.5.
Answer is (x/(1-x)).
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