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MCQOPTIONS
This section includes 714 Mcqs, each offering curated multiple-choice questions to sharpen your Aptitude knowledge and support exam preparation. Choose a topic below to get started.
| 451. |
In an alloy, zinc and copper are in the ratio 1 : 2. In the second alloy, the same elements are in the ratio 2 : 3. If these two alloys be mixed to form a new alloy in which two elements are in the ratio 5 : 8, the ratio of these two alloys in the new alloy is |
| A. | 3 : 10 |
| B. | 3 : 7 |
| C. | 10 : 3 |
| D. | 7 : 3 |
| Answer» B. 3 : 7 | |
| 452. |
An alloy contains copper, zinc and nickel in the ratio of 5 : 3 : 2. The quantity of nickel (in kg) that must be added to 100 kg of this alloy to have the new ratio 5 : 3 : 3 is |
| A. | 8 |
| B. | 10 |
| C. | 12 |
| D. | 15 |
| Answer» C. 12 | |
| 453. |
The ratio of milk and water in mixtures of four containers 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 |
| Answer» D. Fourth | |
| 454. |
A Can contains a mixture of two liquids A and B in the ratio 7:5. When 9 litres of mixture are drained off and the Can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the Can initially ? |
| A. | 10 litres |
| B. | 20 litres |
| C. | 21 litres |
| D. | 25 litres |
| Answer» D. 25 litres | |
| 455. |
A and B are two alloys of gold and copper in the ratio 7 : 2 and 7:11 respectively. If equal quantities of these two alloys are melted to form a new alloy C, then the ratio of gold and copper in C is |
| A. | 6 : 5 |
| B. | 9 : 4 |
| C. | 12:7 |
| D. | 7:5 |
| Answer» E. | |
| 456. |
In a mixture of 60 litres, the ratio of milk and water is 2 : 1. How much more water must be added to make its ratio 1 : 2 ? |
| A. | 40 litres |
| B. | 52 litres |
| C. | 54 litres |
| D. | 60 litres |
| Answer» E. | |
| 457. |
In one glass, milk and water are mixed in the ratio 3 : 5 and in another glass they are mixed in the ratio 6 : 1. In what ratio should the contents of the two glasses be mixed together so that the new mixture contains milk and water in the ratio 1 : 1 ? |
| A. | 20 : 7 |
| B. | 8 : 3 |
| C. | 27 : 4 |
| D. | 25 : 9 |
| Answer» B. 8 : 3 | |
| 458. |
A vessel contains 20 litres of acid. 4 litres of acid is taken out of the vessel and replaced by the same quantity of water. Next 4 litres of the mixture are withdrawn, and again the vessel is filled with the same quantity of acid left in the vessel with the quantity of acid initially in the vessel is |
| A. | 4 : 5 |
| B. | 4 : 25 |
| C. | 16 : 25 |
| D. | 1 : 5 |
| Answer» D. 1 : 5 | |
| 459. |
The ratio of two liquids in a mixture is 3 : 5 and that in another mixture is 6 : 1. The ratio in which these two mixtures should be mixed so as to make the ratio of the liquids 7 : 3 is |
| A. | 44 : 71 |
| B. | 44 : 81 |
| C. | 44 : 91 |
| D. | 44 : 61 |
| Answer» D. 44 : 61 | |
| 460. |
In two blends of mixed tea, the ratios of Darjeeling and Assam tea are 4 : 7 and 2 : 5. The ratio in which these two blends should be mixed to get the ratio of Darjeeling and Assam tea in the new mixture as 6 : 13 is |
| A. | 22 : 35 |
| B. | 26 : 35 |
| C. | 35 : 78 |
| D. | 13 : 22 |
| Answer» B. 26 : 35 | |
| 461. |
80 litres of a mixture contains milk and water in the ratio of 27 : 5. How much more water is to be added to get a mixture containing milk and water in the ratio of 3 : 1 ? |
| A. | 5 litres |
| B. | 10 litres |
| C. | 15 litres |
| D. | 20 litres |
| Answer» C. 15 litres | |
| 462. |
Gold is 19 times as heavy as water and copper is 9 times as heavy as water. In what ratio should these be mixed to get an alloy 15 times as heavy as water ? |
| A. | 1 : 1 |
| B. | 1 : 2 |
| C. | 2 : 3 |
| D. | 3 : 2 |
| Answer» E. | |
| 463. |
Three utensils contain equal quantity of mixtures of milk and water in the ratio 6 : 1, 5 : 2 and 3 : 1 respectively. If all the solutions are mixed together, the ratio of milk and water in the final mixture is |
| A. | 65 : 28 |
| B. | 65 : 19 |
| C. | 19 : 65 |
| D. | 19 : 28 |
| Answer» C. 19 : 65 | |
| 464. |
Two 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. | 10 : 21 |
| B. | 13 : 22 |
| C. | 14 : 25 |
| D. | 12 : 23 |
| Answer» C. 14 : 25 | |
| 465. |
Three vessels whose capacities are 3 : 2 : 1 are completely filled with milk mixed with water. The ratio of milk and water in the mixture of vessels are 5 : 2, 4 : 1 and 4 : 1 respectively. Taking 1/3 of first, 1/2 of second and 1/7 of third mixtures, a new mixture kept in a new vessel is prepared. The percentage of water in the new mixture is |
| A. | 28 |
| B. | 32 |
| C. | 30 |
| D. | 24 |
| Answer» E. | |
| 466. |
In a mixture of three varieties of tea, the ratio of their weights is 4 : 5 : 8. If 5 kg tea of the first variety, 10 kg tea of the second variety and some quantity of tea of the third variety are added to the mixture, the ratio of the weights of three varieties of tea becomes as 5 : 7 : 9. In the final mixture, the quantity (in kg) of the third variety of tea was |
| A. | 42 |
| B. | 45 |
| C. | 48 |
| D. | 40 |
| Answer» C. 48 | |
| 467. |
A mixture contains milk and water in the ratio 5 : 1. On adding 5 litres of water, the ratio of milk and water becomes 5 : 2. The quantity of milk in the mixture is : |
| A. | 25 litres |
| B. | 32.5 litres |
| C. | 16 litres |
| D. | 22.75 litres |
| Answer» B. 32.5 litres | |
| 468. |
20 litres of a mixture contains milk and water in the ratio 3 : 1. Then the amount of milk to be added to the mixture so as to have milk and water in ratio 4 : 1 is : |
| A. | 7 litres |
| B. | 4 litres |
| C. | 5 litres |
| D. | 6 litres |
| Answer» D. 6 litres | |
| 469. |
Two blends of a commodity costing Rs. 35 and Rs. 40 per kg. respectively are mixed in the ratio 2 : 3 by weight. If one fifth of the mixture is sold at Rs. 46 per kg and the remaining at the |
| A. | 50 |
| B. | 30 |
| C. | 40 |
| D. | 20 |
| Answer» D. 20 | |
| 470. |
Three glasses of equal volume contains acid mixed with water. The ratios of acid and water are 2 : 3, 3 : 4 and 4 : 5 respectively. Contents of these glasses are poured in a large vessel. The ratio of acid and water in the large vessel is |
| A. | 411 : 540 |
| B. | 401 : 544 |
| C. | 417 : 564 |
| D. | 407 : 560 |
| Answer» C. 417 : 564 | |
| 471. |
In what proportion must a grocer mix sugar at Rs.12 a kg and Rs.7 a kg so as to make a mixture worth Rs. 8 a kg.? |
| A. | 7 : 12 |
| B. | 1 : 4 |
| C. | 2 : 3 |
| D. | 12 : 7 |
| Answer» C. 2 : 3 | |
| 472. |
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 contents 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 |
| Answer» D. 5 : 2 | |
| 473. |
49 kg of blended tea contains Assam and Darjeeling tea in the ratio 5 : 2. Then the quantity of Darjeeling tea to be added to the mixture to make the ratio of Assam to Darjeeling tea 2 : 1 is |
| A. | 4.5 kg |
| B. | 3.5 kg |
| C. | 5 kg |
| D. | 6 kg |
| Answer» C. 5 kg | |
| 474. |
60 kg of an alloy A is mixed with 100 kg of alloy B. If alloy A has lead and tin in the ratio 3 : 2 and alloy B has tin and copper in the ratio 1 : 4, the amount of tin in the new alloy is |
| A. | 53 kg |
| B. | 44 kg |
| C. | 80 kg |
| D. | 24 kg |
| Answer» C. 80 kg | |
| 475. |
A vessel contains 60 litres of milk. 12 litres of milk is taken out from it and replaced by water. Then again from mixture, 12 litres is again taken out and replaced by water. The ratio of milk and water in the resultant mixture is : |
| A. | 15:10 |
| B. | 16:9 |
| C. | 9:5 |
| D. | 16:10 |
| Answer» C. 9:5 | |
| 476. |
Two vessels contain milk and water in the ratio 3 : 2 and 7 : 3. Find the ratio in which the contents of the two vessels have to be mixed to get a new mixture in which the ratio of milk and water is 2 : 1. |
| A. | 2 : 1 |
| B. | 1 : 2 |
| C. | 4 : 1 |
| D. | 1 : 4 |
| Answer» C. 4 : 1 | |
| 477. |
A vessel full of pure acid contains 10 litres of it, of which 2 litres are withdrawn. The vessel is then filled with water. Next 2 litres of the mixture are withdrawn, and again the vessel is |
| A. | 1 : 5 |
| B. | 4 : 5 |
| C. | 4 : 25 |
| D. | 16 : 25 |
| Answer» E. | |
| 478. |
Two equal glasses filled with alcohol and water in the proportions 2 : 1 and 3 : 2 are emptied into a third glass. The proportion of alcohol and water in the third glass will be |
| A. | 13 : 17 |
| B. | 19 : 17 |
| C. | 13 : 11 |
| D. | 19 : 11 |
| Answer» E. | |
| 479. |
There are two containers of equal capacity. The ratio of milk to water in the first container is 3 : 1, in the second container 5 : 2. If they are mixed up, the ratio of milk to water in the mixture will be |
| A. | 28 : 41 |
| B. | 41 : 28 |
| C. | 15 : 41 |
| D. | 41 : 15 |
| Answer» E. | |
| 480. |
The milk and water in two vessels A and B are in the ratio 4 : 3 and 2 : 3 respectively. In what ratio, the liquids in both the vessels be mixed to obtain a new mixture in vessel C containing half milk and half water ? |
| A. | 7 : 5 |
| B. | 5 : 2 |
| C. | 3 : 11 |
| D. | 1 : 2 |
| Answer» B. 5 : 2 | |
| 481. |
A liquid P is 13times as heavy as water is 7 |
| A. | 7 litres |
| B. | <table><tr><td rowspan="2"> 5</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> litres</td></tr><tr><td style="text-align: center;">6</td></tr></table> |
| C. | 5 litres |
| D. | <table><tr><td rowspan="2"> 4</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2"> litres</td></tr><tr><td style="text-align: center;">3</td></tr></table> |
| Answer» E. | |
| 482. |
The ratio of spirit and water in two mixturers of 20 litre and 36 litre is 3 : 7 and 7 : 5 respectively. Both the mixtures are mixed together. Now the ratio of the spirit and water in the new mixture is |
| A. | 25 : 29 |
| B. | 9 : 10 |
| C. | 27 : 29 |
| D. | 27 : 31 |
| Answer» D. 27 : 31 | |
| 483. |
Acid and water are mixed in a vessel A in the ratio of 5 : 2 and in the vessel B in the ratio 8 : 5. In what proportion should quantities be taken out from the two vessels so as to form a mixture in which the acid and water will be in the ratio of 9 : 4? |
| A. | 7: 2 |
| B. | 2: 7 |
| C. | 7: 4 |
| D. | 2: 3 |
| Answer» C. 7: 4 | |
| 484. |
Two types of alloy possess gold and silver in the ratio of 7 : 22 and 21 :37. In what ratio should these alloys be mixed so as to have a new alloy in which gold and silver would exist in the ratio 25 : 62 ? |
| A. | 13 : 8 |
| B. | 8 :13 |
| C. | 13 :12 |
| D. | 6 : 9 |
| Answer» B. 8 :13 | |
| 485. |
The ratio of the number of ladies to that of gents at a party was 3 : 2. When 20 more gents joined the party, the ratio was reversed. The number of ladies present at the party was |
| A. | 36 |
| B. | 32 |
| C. | 24 |
| D. | 16 |
| Answer» D. 16 | |
| 486. |
The ratio of the number of boys and that of girls in a school having 504 students is 13 :11. What will be the new ratio if 3 more girls are admitted? |
| A. | 7 : 6 |
| B. | 6 : 7 |
| C. | 10 :11 |
| D. | 13 :14 |
| Answer» B. 6 : 7 | |
| 487. |
The students in three classes are in the ratio 2 : 3 : 5. If 20 students are increased in each |
| A. | 50 |
| B. | 90 |
| C. | 100 |
| D. | 150 |
| Answer» D. 150 | |
| 488. |
The ratio of number of boys to that of girls in a group becomes 2:1 when 15 girls leave. But, afterwards, when 45 boys also leave, the ratio becomes 1 : 5. Originally the number of girls in |
| A. | 20 |
| B. | 30 |
| C. | 40 |
| D. | 50 |
| Answer» D. 50 | |
| 489. |
The ratio between two numbers is 2 : 3. If each number is increased by 4, the ratio between |
| A. | 8 |
| B. | 6 |
| C. | 4 |
| D. | 2 |
| Answer» B. 6 | |
| 490. |
Two numbers are in the ratio 3 : 5. If each number is increased by 10, the ratio becomes 5 :7. The smaller number is |
| A. | 9 |
| B. | 12 |
| C. | 15 |
| D. | 25 |
| Answer» D. 25 | |
| 491. |
The students in three classes are in the ratio 4 : 6 : 9. If 12 students are increased in each class, the ratio changes to 7 : 9 : 12. Then the total number of students in the three classes before the increase is |
| A. | 95 |
| B. | 76 |
| C. | 100 |
| D. | 114 |
| Answer» C. 100 | |
| 492. |
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 |
| Answer» E. | |
| 493. |
Two numbers are such that the ratio between them is 4 : 7. If each is increased by 4, the ratio becomes 3 : 5. The larger number is |
| A. | 36 |
| B. | 48 |
| C. | 56 |
| D. | 64 |
| Answer» D. 64 | |
| 494. |
Two equal vessels are filled with the mixtures of water and milk in the ratio of 3:4 and 5:3 respectively. If the mixtures are poured into a third vessel, the ratio of water and milk in the third vessel will be |
| A. | 15 : 12 |
| B. | 53 : 59 |
| C. | 20 : 9 |
| D. | 59 : 53 |
| Answer» E. | |
| 495. |
Ram got twice as many marks in English as in Science. His total marks in English, Science and Maths are 180. If the ratio of his marks in English and Maths is 2 : 3, what is his marks in Science ? |
| A. | 30 |
| B. | 60 |
| C. | 72 |
| D. | 90 |
| Answer» B. 60 | |
| 496. |
Two numbers are in the ratio of 3 : 5. If 9 is subtracted from each then they are in the ratio 12 : 23. The smaller number is |
| A. | 55 |
| B. | 33 |
| C. | 28 |
| D. | 36 |
| Answer» C. 28 | |
| 497. |
What number should be subtracted from both the terms of the ratio 11 : 15 so as to make it as 2 : 3 ? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 498. |
Two numbers are in the ratio of 3 : 5. If 9 be subtracted from each, then they are in the ratio of 12 : 23. Find the numbers. |
| A. | 15, 28 |
| B. | 36, 115 |
| C. | 33, 55 |
| D. | 60, 69 |
| Answer» D. 60, 69 | |
| 499. |
Three numbers are in the ratio 1 : 2 : 3. By adding 5 to each of them, the new numbers are in the ratio 2 : 3 : 4. The numbers are: |
| A. | 10, 20, 30 |
| B. | 15, 30, 45 |
| C. | 1, 2, 3 |
| D. | 5, 10, 15 |
| Answer» E. | |
| 500. |
Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500 . The smallest number is |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 10 |
| Answer» C. 6 | |