Allied & ICAR Exam Bank • ALLIED_2344MCQ • 2 Marks
Section 8: General Aptitude
Quantitative Aptitude
Subtopic: Numerical Computation
Question Statement:
Jar X contains a mixture of oil and water in the ratio 3:5, and Jar Y contains oil and water in the ratio 4:1. If 40 liters from Jar X is mixed with 50 liters from Jar Y, the ratio of oil to water in the final mixture is:
Options:
(A) 11:7
(B) 7:11
(C) 9:7
(D) 13:9
Answer Key:
A
Step-by-Step Solution & Explanation
From Jar X: Oil = $40 \times 3/8 = 15$ L, Water = 25 L. From Jar Y: Oil = $50 \times 4/5 = 40$ L, Water = 10 L. Total oil = $15 + 40 = 55$ L. Total water = $25 + 10 = 35$ L. Ratio = $55 : 35 = 11:7$.