MCQOPTIONS
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MCQOPTIONS
This section includes 191 Mcqs, each offering curated multiple-choice questions to sharpen your Vlsi knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
In a vessel A 160 liter of alcohol was mixed with 45 liters of water. Some quantity of mixture was taken out from vessel A and poured into vessel B. When 16 liters of alcohol was added to vessel B, the resultant ratio of alcohol and water becomes 21 ∶ 4 in vessel B. What was the amount of mixture taken out from vessel A initially (in liters)? |
| A. | 42.53 liter |
| B. | 41.00 liter |
| C. | 43.01 liter |
| D. | 44.21 liter |
| E. | None of these |
| Answer» D. 44.21 liter | |
| 152. |
Bottle 1 contains a mixture of milk and water in 7 : 2 ratio and Bottle 2 contains a mixture of milk and water in 9 : 4 ratio. In what ratio of volumes should the liquids in Bottle 1 and Bottle 2 be combined to obtain a mixture of milk and water in 3 : 1 ratio? |
| A. | 27 : 14 |
| B. | 27 : 13 |
| C. | 27 : 16 |
| D. | 27 : 18 |
| Answer» C. 27 : 16 | |
| 153. |
In what proportion must a grocer mix one kind of bajra at ₹ 45 per kg with another at ₹ 32 per kg in order that by selling the mixture at ₹ 48 per kg he may make a profit of 20%? |
| A. | 4 : 1 |
| B. | 8 : 5 |
| C. | 7 : 5 |
| D. | 9 : 5 |
| Answer» C. 7 : 5 | |
| 154. |
5 litres of honey contains 80% sugar. 3 litres of water is added to this honey. What is the percentage of sugar in the new mixture? |
| A. | 40 |
| B. | 50 |
| C. | 60 |
| D. | 75 |
| Answer» C. 60 | |
| 155. |
A bottle contains 20 litres of liquid A. 4 litres of liquid A is taken out of it and replaced by same quantity of liquid B. Again 4 litres of the mixture is taken out and replaced by same quantity of liquid B. What is the ratio of quantity of liquid A to that of liquid B in the final mixture? |
| A. | 4 : 1 |
| B. | 5 : 1 |
| C. | 16 : 9 |
| D. | 17 : 8 |
| Answer» D. 17 : 8 | |
| 156. |
A scientist prepares a mixture with two chemicals; chemical 1 and chemical 2 in proportion of 2 : 3 and makes a total concoction of 150 ml. How many ml of chemical 1 has been used? |
| A. | 80 |
| B. | 60 |
| C. | 90 |
| D. | 20 |
| Answer» C. 90 | |
| 157. |
A mixture contains 100 litres of milk and 40 litres of water. If the milkman added 40 litres of water in the mixture then find the ratio of milk and water in the new mixture. |
| A. | 5 : 4 |
| B. | 4 : 5 |
| C. | 3 : 4 |
| D. | 4 : 7 |
| E. | 7 : 4 |
| Answer» B. 4 : 5 | |
| 158. |
A drink of chocolate and milk contains 8% pure chocolate by volume. If 10 litres of pure milk are added to 50 litres of this drink, the percentage of chocolate in the new drink is: |
| A. | \(6 \frac{2}{3}\) |
| B. | \(5 \frac{1}{3}\) |
| C. | \(6 \frac{1}{3}\) |
| D. | \(5 \frac{2}{3}\) |
| Answer» B. \(5 \frac{1}{3}\) | |
| 159. |
Gold is 19 times as heavy as water and copper 9 times as heavy as water. The ratio in which these two metals be mixed so that mixture is 15 times as heavy as water is |
| A. | 1 : 2 |
| B. | 2 : 3 |
| C. | 3 : 2 |
| D. | 19 : 135 |
| Answer» C. 3 : 2 | |
| 160. |
20 liters of a mixture contains 35% alcohol and the rest water. If 5 liters of water be mixed with it, the percentage of alcohol in the new mixture would be? |
| A. | \(18\frac{2}{{27}}\% \) |
| B. | 17% |
| C. | \(16\frac{{15}}{{27}}\% \) |
| D. | 28% |
| Answer» E. | |
| 161. |
A pot is filled with 3 parts fruit juice and 5 parts with water. By removing how much the amount of the mixture from it and filling the same amount of juice in it, the ratio of fruit juice and water will be 1: 1? |
| A. | 13/19 |
| B. | 1/5 |
| C. | 11/6 |
| D. | 7/9 |
| Answer» C. 11/6 | |
| 162. |
An alloy is prepared by mixing three metals A, B and C in the proportion 3 : 4 : 7 by volume. Weights of the same volume of the metals A, B and C are in the ratio 5 : 2 : 6. In 130 kg of the alloy, the weight, in kg, of the metal C is |
| A. | 48 |
| B. | 70 |
| C. | 84 |
| D. | 96 |
| Answer» D. 96 | |
| 163. |
Milk contains 5% of water. What quantity of pure milk should be added to 8 liters of milk to reduce this to 4%? |
| A. | 3 liters |
| B. | 4 liters |
| C. | 1 liters |
| D. | 2 liters |
| Answer» E. | |
| 164. |
A food item label shows that it contains 20% sugar. However the manufacturer while manufacturing that item has a shortage of sugar in the inventory. The amount of sugar his inventory has was able to achieve 16% sugar concentration. He had produced 2 tons of 16% sugar concentrated mixture and has received an order for producing 6 tons. What should be the concentration of the mixture that he will have to produce to mix with the initial mixture to manufacture the product according to the label? |
| A. | 17% |
| B. | 22% |
| C. | 19.5% |
| D. | 25% |
| E. | None |
| Answer» C. 19.5% | |
| 165. |
How many liters of less grade coconut oil worth Rs. 78/L, should be mixed with 10 L of fine grade coconut oil worth Rs. 96/L to produce a mixture which will cost Rs. 84/L? |
| A. | 20 L |
| B. | 25 L |
| C. | 35 L |
| D. | 30 L |
| Answer» B. 25 L | |
| 166. |
In a mixture of milk and water the proportion of milk is 60% by weight. If from 80 gm of mixture, 20gm mixture taken out and 6 gm of water added to the mixture. Then find the ratio of milk and water in the new mixture. |
| A. | 8 : 7 |
| B. | 7 : 6 |
| C. | 6 : 5 |
| D. | 5 : 4 |
| E. | 7 : 5 |
| Answer» D. 5 : 4 | |
| 167. |
In a mixture of 45 litres, the ratio of liquid A and liquid B is 7 ∶ 2. If 11 litres of liquid B is added to the mixture, then what will be the ratio of liquid A and liquid B in the new mixture? |
| A. | 7 ∶ 4 |
| B. | 8 ∶ 5 |
| C. | 6 ∶ 5 |
| D. | 5 ∶ 3 |
| Answer» E. | |
| 168. |
Alloy A contains copper and zinc in the ratio 4 : 5 and alloy B contains copper and zinc in the ratio 7 : 2. A and B are taken in the ratio 7 : 4 and melted to form a new alloy. The percentage of zinc in the new alloy is closest to: (correct to two decimal places) |
| A. | 43.43% |
| B. | 45.25% |
| C. | 47.79% |
| D. | 47.5% |
| Answer» B. 45.25% | |
| 169. |
36 kg of gunpowder contains 27 kg of salt, 5.4 kg of charcoal and some amount of sulfur. Find the percentage of sulfur. |
| A. | 15% |
| B. | 10% |
| C. | 8% |
| D. | 100% |
| Answer» C. 8% | |
| 170. |
In two alloys the ratios of copper to tin are 3 : 4 and 1 : 6 respectively. If 7 kg of the first alloy and 21 kg of the second alloy are mixed together to form a new alloy, then the ratio of copper to tin in the new alloy is: |
| A. | 3 : 11 |
| B. | 1 : 4 |
| C. | 3 : 7 |
| D. | 4 : 11 |
| Answer» B. 1 : 4 | |
| 171. |
In a 60 liter mixture, the ratio of acid and water is 2 : 1. How much liter of water should be added to it so that the ratio of acid and water will be is 1 : 2? |
| A. | 60 liters |
| B. | 72 liters |
| C. | 44 liters |
| D. | 52 liters |
| Answer» B. 72 liters | |
| 172. |
In a mixture of 60 litres, the ratio of milk and water is 7:3. Another 10 litres of water is added to the mixture. Then the ratio of milk and water in the resulting mixture is: |
| A. | 5 : 1 |
| B. | 6 : 1 |
| C. | 2 : 1 |
| D. | 3 : 2 |
| Answer» E. | |
| 173. |
In a mixture of 60 litres, the ratio of milk and water is 2 : 1. To make this ratio 1 : 2, what quantity of water (in litres) is to be added to the mixture ? |
| A. | 30 |
| B. | 60 |
| C. | 90 |
| D. | 100 |
| Answer» C. 90 | |
| 174. |
A vessel contains a 32 litres solution of acid and water in which the ratio of acid and water is 5 ∶ 3 If 12 litres of the solution is taken out and \(7\frac{1}{2}\) litres of water are added to it, then what is the ratio of acid and water in the resulting solution? |
| A. | 8 : 11 |
| B. | 5 : 6 |
| C. | 4 : 9 |
| D. | 4 : 7 |
| Answer» C. 4 : 9 | |
| 175. |
How much Pepsi at Rs. 6 a liter is added to 15 liters of ‘dew’ at Rs. 10 a liter so that the price of the mixture is Rs. 9 a liter? (in liters) |
| A. | 4 |
| B. | 6 |
| C. | 3 |
| D. | 5 |
| Answer» E. | |
| 176. |
A mixture contains milk and water in the ratio 5 : 3. If 5 litres of milk is added to the mixture, the ratio becomes 7 : 3. What is the quantity of milk in the new mixture? |
| A. | 20 litres |
| B. | 12.5 litres |
| C. | 17.5 litres |
| D. | 15 litres |
| Answer» D. 15 litres | |
| 177. |
In a mixture of 35 litres, the ratio of milk and water is 4 : 1. If 7 litres of water is added to the mixture, the ratio of milk and water of the new mixture will be |
| A. | 2 : 1 |
| B. | 1 : 2 |
| C. | 4 : 5 |
| D. | 5 : 4 |
| Answer» B. 1 : 2 | |
| 178. |
In a mixture, there are 200 litres of milk and 40 litres of water. ___ litres of mixture is drawn and ___ litres of pure water is added. Now, the milk in the mixture is 64 litres more than the water.Which of the following options satisfies the two blanks in the question?A. 48, 64B. 36, 66C. 54, 60D. 78, 14 |
| A. | Only A |
| B. | Only B |
| C. | Only C |
| D. | Only D |
| E. | Both A and C |
| Answer» F. | |
| 179. |
A mixture contains milk and water in the ratio of 4 : 3. When 5 liters of water is added to this mixture, the ratio of milk and water becomes 6 : 7. The quantity of milk in the mixture is: |
| A. | 12 liters |
| B. | 5 liters |
| C. | 15 liters |
| D. | 10 liters |
| Answer» B. 5 liters | |
| 180. |
Quality A and B rice, valued at Rs 35 per kg and Rs 65 per kg respectively, are mixed. The new average price of the mixture obtained is Rs 50 per kg. What is the ratio of the quantity of A and B in the mixture?A. 1 : 2B. 1 : 3C. 1 : 1D. 1 : 5 |
| A. | D |
| B. | B |
| C. | C |
| D. | A |
| Answer» D. A | |
| 181. |
A mixture of 240 litres of juice and contains 15% water. How much more water (in litres) should be added to this so that the strength of water will become 25% in the new mixture? |
| A. | 28 |
| B. | 32 |
| C. | 26 |
| D. | 34 |
| Answer» C. 26 | |
| 182. |
In a mixture of 60 litres, the ratio of milk and water is 5 : 3. In order to make this ratio 1 : 2, the quantity of water to be added to the mixture is |
| A. | 17.5 litres |
| B. | 22.5 litres |
| C. | 58.5 litres |
| D. | 52.5 litres |
| Answer» E. | |
| 183. |
A mixture of 40 litres of milk and water contains 10% of water. How much of water must be added to make the water 20% in the new mixture? |
| A. | 7 litres |
| B. | 6 litres |
| C. | 5 litres |
| D. | 4 litres |
| Answer» D. 4 litres | |
| 184. |
From 600 ml of 40% solution of spirit, some quantity of solution is replaced by 16% solution of spirit. If the mixture so obtained contains 24% solution of spirit, how much solution of 40% spirit was replaced? |
| A. | 360 ml |
| B. | 420 ml |
| C. | 320 ml |
| D. | 400 ml |
| Answer» E. | |
| 185. |
A man spends 88% of his monthly income. If he saves Rs. 360 per month, then what is his monthly income? |
| A. | Rs. 2500 |
| B. | Rs. 2000 |
| C. | Rs. 3500 |
| D. | Rs. 3000 |
| Answer» E. | |
| 186. |
In a mixture of 60 litres, the ratio (by volume) of milk and water is 2 : 1. If X litres of water is added in the mixture, the ratio of milk and water becomes 1 : 2, then what is the value of X? |
| A. | 40 |
| B. | 20 |
| C. | 56 |
| D. | 60 |
| Answer» E. | |
| 187. |
Alloys A and B contain copper and zinc in the ratio 1: 3 and 3 : 5, respectively. In what ratio A and B be mixed to get a new alloy containing copper and zinc in the ratio 1 : 2? |
| A. | 3 : 4 |
| B. | 2 : 1 |
| C. | 1 : 2 |
| D. | 4 : 5 |
| Answer» D. 4 : 5 | |
| 188. |
In what ratio should water be mixed with some milk to gain \(16\frac{2}{3}\% \) on selling it at cost price? |
| A. | 3 : 4 |
| B. | 2 : 3 |
| C. | 6 : 1 |
| D. | 1 : 6 |
| Answer» E. | |
| 189. |
A trader sells 10 litres of a mixture of paints A and B, where the amount of B in the mixture does not exceed that of A. The cost of paint A per litre is Rs. 8 more than that of paint B. If the trader sells the entire mixture for Rs. 264 and makes a profit of 10%, then the highest possible cost of paint B, in Rs. per litre, is |
| A. | 20 |
| B. | 22 |
| C. | 16 |
| D. | 26 |
| Answer» B. 22 | |
| 190. |
A jar contains 84 litre of pure juice. 18 litre of juice is taken out from the jar and replaced it with pure water. Again, 28 litre of the mixture is taken out and is replaced by 20 litre of water. Find the ratio of juice and water in the final mixture. |
| A. | 8 : 11 |
| B. | 4 : 3 |
| C. | 11 : 8 |
| D. | 11 : 3 |
| E. | 3 : 11 |
| Answer» D. 11 : 3 | |
| 191. |
A solution of milk and water contains milk and water in the ratio of 3 : 2. Another solution of milk and water contains milk and water in the ratio of 2 : 1. Forty litres of the first solution is mixed with 30 litre of the second solution. The ratio of milk and water in the resultant solution is: |
| A. | 22 : 13 |
| B. | 13 : 22 |
| C. | 6 : 5 |
| D. | 5 : 6 |
| Answer» B. 13 : 22 | |