Subject: General Aptitude · Chapter: Alligation or Mixture · Exam: 2008 · Marks: · Difficulty:
In what ratio must a grocer mix two varieties of pulses costing ` 15 and ` 20 per kg respectively so as to get a mixture worth ` 16.50 per kg ?
(a)3 : 7
(b)5 : 7
(c)7 : 3
(d)7 : 5
Answer
Answer (as printed):
Explanation
By the rule of alligation : Cost of 1 kg pulses of Cost of 1 kg pulses of 1st kind 2nd kind ` 15 ` 20 Mean price ` 16.50 3.50 1.50 ∴ Required rate = 3.50 : 1.50 = 35 : 15 = 7 : 3.
Explanation as extracted from the printed page; notation may be imperfect.