Ratio – Aptitude MCQ Questions – 10 Posted on July 9, 2020July 9, 2020 by admin Question 1If A : B = 2 : 3, B : C = 2 : 4 and C : D = 2 : 5, then A : D is equal to - A. 1 : 5 B. 2 : 5 C. 3 : 5 D. 2 : 15 Question 2Two alloys contain tin and iron in the ratio of 1 : 2 and 2 : 3. If the two alloys are mixed in the proportion of 3 : 4 respectively (by weight), the ratio of tin and iron in the newly formed alloy is = ? A. 14 : 25 B. 10 : 21 C. 12 : 23 D. 13 : 22 Question 3If two number are in the ratio 2 : 3 and the ratio becomes 3 : 4 when 8 is added to both the numbers, then the sum of the two numbers is = ? A. 90 B. 50 C. 60 D. 40 Question 4The annual income of A and B are in the ratio 4 : 3 and the ratio of their expenditures is 3 : 2. If each of them saves Rs. 600 in the year, the annual income of A is = ? A. Rs. 4800 B. Rs. 1800 C. Rs. 1200 D. Rs. 2400 Question 5If 3A = 5B and 4B = 6C, then A : C equal to - A. 2 : 5 B. 3 : 5 C. 4 : 5 D. 5 : 2 Question 6If A : B = 7 : 9 and B : C = 5 : 4, then A : B : C is - A. 7 : 45 : 36 B. 28 :36 : 35 C. 35 : 45 : 36 D. None of these Question 7In a business, the ratio of the capitals of A and B is 2 : 1, that of B and C is 4 : 3 and that of D and C is 6 : 5. Then the ratio of the capitals of A and D is - A. 9 : 20 B. 3 : 5 C. 5 : 3 D. 20 : 9 Question 8If a : b = c : d = e : f = 1 : 2, then (3a + 5c + 7e) : (3b + 5d + 7f) is = ? A. 8 : 7 B. 2 : 1 C. 1 : 4 D. 1 : 2 Question 9Of the three numbers, the ration of the first and the second is 8 : 9 and that of the second and third is 3 : 4. If the product of the first and third number is 2400. then the second number is = ? A. 45 B. 40 C. 24 D. 10 Question 10The ratio of incomes of two persons is 5 : 3 and that of their expenditures is 9 : 5. If they save Rs. 2600 and Rs.1800 respectively, their incomes are. A. Rs. 9000, Rs. 5400 B. Rs. 10000, Rs. 6000 C. Rs. 6000, Rs. 3600 D. Rs. 8000, Rs. 4800