Subject: General Aptitude · Chapter: Alligation or Mixture · Exam: · Marks: · Difficulty:
35 kg of type A sandal powder, which costs ` 614 per kg, was mixed with a certain amount of type B sandal powder, which costs ` 695 per kg. then the mixture was sold at the rate of ` 767 per kg and 18% profit was earned. What was the amount (in kg) of type B sandal powder in the mixture? [IBPS—Bank Spl. Officer (IT) Exam, 2015]
(a)24
(b)28
(c)32
(d)36
Answer
Answer (as printed): B
Explanation
Cost price of mixture Sale price 767 = × 100 = × 100 = ` 650 ( 100 + gain% ) 118 By using allegation method: Sandal Powder Sandal Powder Type A Type B 614 695 650 695 – 650 = 45 650 – 614 = 36 Ratio = 5 : 4 ∴ Quantity of A type of sandal is 35 kg ∴ 5x = 35 kg ∴ x = 7 kg Thus B type sandal = 7 × 4 = 28 kg
Explanation as extracted from the printed page; notation may be imperfect.