Practice MCQ Questions and Answer on Ratio
61.
If A : B =
- (A) 1 : 2 : 6
- (B) 2 : 3 : 3
- (C) 3 : 2 : 6
- (D) 9 : 6 : 4
62.
Two numbers are such that the ratio between them is 4 : 7. If each is increase by 4, the ratio become 3 : 5. The larger number is = ?
- (A) 36
- (B) 48
- (C) 56
- (D) 64
63.
In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?
- (A) 50
- (B) 100
- (C) 150
- (D) 200
64.
If A : B : C = 2 : 3 : 4, then the ratio
- (A) 4 : 9 : 16
- (B) 8 : 9 : 24
- (C) 8 : 9 : 12
- (D) 8 : 9 : 16
65.
- (A) 133.4
- (B) 137.2
- (C) 127.8
- (D) 131.6
66.
A man spends his two months income in three months time, if his monthly income is 6000 , then his annual savings is = ?
- (A) Rs. 18000
- (B) Rs. 24000
- (C) Rs. 12000
- (D) Rs. 36000
67.
If 5a + 3b : 2a - 3b = 23 : 5, then the value of a : b is
- (A) 1 : 2
- (B) 1 : 4
- (C) 2 : 1
- (D) 4 : 1
68.
A barrel contains a mixture of wine and water in the ratio 3 : 1. How much fraction of the mixture must be drawn off and substituted by water so that the ratio of wine and water in the resultant mixture becomes 1 : 1 = ?
- (A)
- (B)
- (C)
- (D)
69.
The ratio of urea and potash in a mixed fertilizer is 7 : 3. Express the quantity of urea present as percentage of the total amount of fertilizer.
- (A) 20%
- (B) 50%
- (C) 60%
- (D) 70%
70.
Alloy A contains metals x and y only in the ratio 5 : 2 and alloy B contains these metals in the ratio 3 : 4. Alloy C is prepared by mixing A and B in the ratio 4 : 5. The percentage of x in alloy C is:
- (A) 45
- (B)
- (C)
- (D) 56