Practice MCQ Questions and Answer on Ratio
71.
A person divided Rs. 10800 among his three sons in the ratio 3 : 4 : 5. Second son kept Rs. 1000 for himself, gave Rs. 600 to his wife and divided the remaining money among his two daughters in the ratio 11 : 9. Then one of his daughters received.
- (A) Rs. 1000
- (B) Rs. 1050
- (C) Rs. 1100
- (D) Rs. 1150
72.
Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary?
- (A) Rs. 17,000
- (B) Rs. 20,000
- (C) Rs. 25,500
- (D) Rs. 38,000
73.
25% of A's income is equal to 35% of B's income. The ratio of the incomes of A and B is -
- (A) 5 : 7
- (B) 7 : 5
- (C) 13 : 15
- (D) 15 : 13
74.
If x runs scored by A, y runs by B and z runs by C, then x : y = y : z = 3 : 2. If total number of runs scored by A, B and C is 342, the runs scored by each would be respectively = ?
- (A) 144, 96, 64
- (B) 162, 108, 72
- (C) 180, 120, 80
- (D) 189, 126, 84
75.
The numbers are in the ratio 3 : 5 and their LCM is 225. The smaller number is = ?
- (A) 45
- (B) 60
- (C) 75
- (D) 90
76.
There are three numbers A, B, C such that twice A is equal to thrice B and four times B is equal to five times C. Then the ratio between A and C is = ?
- (A) 3 : 4
- (B) 8 : 15
- (C) 15 : 8
- (D) 4 : 3
77.
The difference between two positive numbers is 10 and the ratio between them is 5 : 3. Find the product of the two numbers.
- (A) 375
- (B) 175
- (C) 275
- (D) 125
78.
Three containers have their volumes in the ratio 3 : 4 : 5. They are full of mixtures of milk and water. The mixtures contain milk and water in the ratio of (4 : 1), (3 : 1) and (5 : 2) respectively. The mixture of all these three containers are poured into a fourth container. The ratio of milk and water in the fourth container is = ?
- (A) 4 : 1
- (B) 151 : 48
- (C) 157 : 53
- (D) 5 : 2
79.
The fourth proportional to 10, 12, 15 is:
- (A) 24
- (B) 22
- (C) 18
- (D) 20
80.
If 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