20 Questions
| Total Attempts: 2552

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Questions and Answers

- 1.
- A.
58.23 L

- B.
85.23 L

- C.
58.32 L

- D.
85.32 L

- 2.A can contains a mixture of two liquids A and B in the ratio 7 : 5. When 9 L of mixture is drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. Litres of liquid A contained by the can initially was
- A.
10

- B.
20

- C.
21

- D.
25

- 3.What number should be added to or subtracted from each term of the ratio 17 : 24 so that it becomes equal to 1 : 2?
- A.
5 is subtracted

- B.
10 is added

- C.
7 is added

- D.
10 is subtracted

- 4.The ratio of weekly incomes of A and B is 9 : 7 and the ratio of their expenditures is 4 : 3. If each saves Rs. 200 per week, then the sum of their weekly incomes is
- A.
Rs. 3200

- B.
Rs. 4200

- C.
Rs. 4800

- D.
Rs. 5600

- 5.The ratio of alcohol and water in 40 L of mixture is 5 : 3.8 L of the mixture is removed and replaced with water, Now, the ratio of the alcohol and water in the resultant mixture is
- A.
1 : 2

- B.
1 : 1

- C.
2 : 1

- D.
1 : 3

- 6.Rama's expenditure and savings are in the ratio 3 : 2. His income increases by 10%. His expenditure also increases by 12%. His saving increases by
- A.
7%

- B.
10%

- C.
9%

- D.
13%

- 7.Three numbers are in the ratio 3 : 4 : 5. The sum of the largest and the smallest equals the sum of the second and 52. The smallest number is
- A.
20

- B.
27

- C.
39

- D.
52

- 8.The ratio of the ages of Ram and Rahim 10 yr ago was 1 : 3. The ratio of their ages 5 yr hence will be 2 : 3. Then, the ratio of their present ages is
- A.
1 : 2

- B.
3 : 5

- C.
3 : 4

- D.
2 : 5

- 9.The ratio of milk and water in mixtures of four container are 5 : 3, 2 : 1, 3 : 2 and 7 : 4, respectively. In which container is the quantity of milk, relative to water, minimum?
- A.
First

- B.
Second

- C.
Third

- D.
Fourth

- 10.In a mixture of 25 L, the ratio of acid to water is 4 : 1. Another 3 L of water is added to the mixture. The ratio of acid to water in the new mixture is
- A.
5 : 2

- B.
2 : 5

- C.
3 : 5

- D.
5 : 3

- 11.
- A.
Rs 21, 42

- B.
Rs 15, 30

- C.
Rs 16.5, 33

- D.
Rs 17, 34

- 12.Two liquids are mixed in the ratio 3 : 5 and the mixture is sold at Rs 120 with a profit of 20%. If the first liquid is costlier than the second by Rs 2 per litre, find the cost of the costlier liquid per litre.
- A.
Rs 92.30

- B.
Rs 74.10

- C.
Rs 101.25

- D.
Rs 99.25

- 13.A grocer buys two kinds of rice at Rs 1.80 and Rs 1.20 per kg respectively. In what proportion should these be mixed, so that by selling the mixture at Rs 1.75 per kg, 25% may be gained?
- A.
2 : 1

- B.
3 : 2

- C.
3 : 4

- D.
1 : 2

- 14.A jar full of whisky contains 40% of alcohol. A part of this whisky is replaced by another containing 19% alcohol and now the percentage of alcohol was found to be 26. The quantity of whisky replaced is
- A.
- B.
- C.
- D.

- 15.
- A.
39.2 L

- B.
32 L

- C.
42.5 L

- D.
47.40 L

- 16.
- A.
30 kg, 10 kg

- B.
20 kg, 20 kg

- C.
10 kg, 30 kg

- D.
None of these

- 17.
- A.
61 : 64

- B.
27 : 37

- C.
16 : 19

- D.
None of these

- 18.
- A.
Rs 14.50

- B.
Rs 12.50

- C.
Rs 15.50

- D.
Rs 13.50

- 19.A person has a chemical of Rs 50 per litre. In what ratio should water be mixed in that chemical so that after selling the mixture at Rs 40 per litre he may get a profit of 50%.
- A.
8 : 7

- B.
9 : 8

- C.
10:7

- D.
4 : 3

- 20.A trader has 50 kg of pulses, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. What is the quantity sold at 18% profit?
- A.
30 kg

- B.
35 kg

- C.
40 kg

- D.
None of these