Ratio and Proportion Questions and Answers Aptitude Problems
(A) 8:9:16
(B) 8:9:12
(C) 8:9:24
(D) 4:9:16
Correct Answer : C
The ratio of two numbers is 5 : 6. If each number be increased by 16, the ratio becomes 9 : 10. Find the numbers.
(A) 25, 30
(B) 15, 18
(C) 30, 36
(D) 20, 24
(E) 30, 35
Correct Answer : D
If 35% of a number is subtracted from the second number the second number reduces to its four–fifths. What is the ratio the first number to the second number?
(A) 4 : 7
(B) 4 : 9
(C) 5 : 9
(D) 5 : 7
(E) 6 : 7
Correct Answer : A
If three persons A, B and C invested in a business in the ratio 10 : 15 : 8 for 8 months, 6 months and 12 months respectively. If the total profit earned at the end of the year is Rs.2660 find the Share of B (in Rs.) in the total profit-
(A) 1200
(B) 800
(C) 900
(D) 750
(E) 945
Correct Answer : C
15 times A is equal to 10 times B. If 10 is subtracted from B it is 22 less than 3 times of A. What is the sum of A and B?
(A) 10
(B) 20
(C) 24
(D) 18
(E) 28
Correct Answer : B
The total income of Ramesh, Suresh and Dinesh is Rs. 17325. Ramesh spend 70%, Suresh spend 75% and Dinesh spend 80% of their income. The ratio of their saving is 6 : 8 : 5. What is the income of Dinesh?
(A) Rs. 4500
(B) Rs. 5625
(C) Rs. 7200
(D) Rs. 4800
(E) None of these
Correct Answer : B
The income of Suresh and Rakesh are in the ratio 5 : 4 and their expenditure are in the ratio 3 : 2. If each saves Rs 6000, then Suresh’s income can be:
(A) Rs. 12000
(B) Rs. 15000
(C) Rs. 16000
(D) Rs. 10000
(E) None of these
Correct Answer : B
The ratio of the age of a son and father is 1: 4. After 9 years, the ratio will be 2: 5. What is the present age (in years) of the son?
(A) 10
(B) 8
(C) 9
(D) 12
Correct Answer : C
A, B and C entered into a partnership with investment in the ratio 2 : 3 : 4. After one year A doubled his investment and C withdrew half of his amount. After one more year, B doubled his investment. At the end of three years, they earned a profit of Rs.90000. find the share of A in the profit.
(A) Rs. 30000
(B) Rs. 32000
(C) Rs. 10000
(D) Rs. 20000
(E) None of these
Correct Answer : A
A mixture contains milk and water in the ratio 5 : 3. If 20 litres of water added to the mixture, the ratio of milk and water becomes 3 : 2. Find the quantity of milk in the original mixture.
(A) 320 litres
(B) 280 litres
(C) 300 litres
(D) 250 litres
(E) None of these
Correct Answer : C