Explore topic-wise MCQs in Aptitude.

This section includes 676 Mcqs, each offering curated multiple-choice questions to sharpen your Aptitude knowledge and support exam preparation. Choose a topic below to get started.

101.

75 % of a number when added to 75 is equal to that number. What is the number?

A. 280
B. 400
C. 300
D. 305
Answer» D. 305
Discussion
102.

Mukul's income is 10% more than Sunil's. How much less is Sunil's income than that of Mukul's?

A. 8.09 %
B. 9.09 %
C. 7.09 %
D. 7.90 %
Answer» C. 7.09 %
Discussion
103.

The total population of a country is 294000, out of which 150000 are males. Out of every 100 males, 98 can read and write, but only 53% of the total population can do so. Find the percentage of women who can read and write.

A. 6.125 %
B. 5.125 %
C. 6.000 %
D. 4.125 %
Answer» B. 5.125 %
Discussion
104.

.02 =(......?.....)%

A. 20
B. 2
C. .02
D. .2
Answer» C. .02
Discussion
105.

30% of 80/? = 24

A. 3/10
B. 3/17
C. 1
D. 2
Answer» D. 2
Discussion
106.

8% of 96 = ? of 1/25

A. 19.2
B. 7.68
C. 1.92
D. None of these
Answer» E.
Discussion
107.

(A% of B + B% of A) is equal to ?

A. A% of B
B. B% of A
C. 2% of AB
D. AB% of 3
Answer» D. AB% of 3
Discussion
108.

If 31% of a number is 46.5,the number is ?

A. 150
B. 155
C. 160
D. 165
Answer» B. 155
Discussion
109.

By how much is 30% of 80 greater than 4/5

A. 2
B. 4
C. 10
D. 15
Answer» C. 10
Discussion
110.

If A is 90% of B, then what percent of A is B ?

A. 90
B. 190
C. 101.1
D. 111.1
Answer» E.
Discussion
111.

The selling price and cost price of an article differs by 480. What is the selling price in case the profit percentage is 20%?

A. 2400
B. 2880
C. 2600
D. 2000
Answer» C. 2600
Discussion
112.

If a person sells a wooden furniture at 8% profit against 8% loss, then he could had earned Rs12 more. What is the cost price of furniture?

A. 72
B. 70
C. 80
D. 75
Answer» E.
Discussion
113.

Calculate the amount of water which should be added to 80% solution of Sulphuric acid to make it a 50% solution?

A. 60cc
B. 80cc
C. 75cc
D. 70cc
Answer» B. 80cc
Discussion
114.

An metallic alloy contains 20g copper, 20g tin and 40g silver.Then find out the percentage of tin in the alloy?

A. 20%
B. 30%
C. 25%
D. 40%
Answer» D. 40%
Discussion
115.

If the price of petrol is increased by 20% and subsequently by 40%. If the original price was Rs25 per litre then what is then the final price per litre?

A. 42
B. 45
C. 48
D. 40
Answer» B. 45
Discussion
116.

After deducting a commission of 5% a T.V. set costs Rs. 9595. Its gross value is ?

A. Rs. 10000
B. Rs. 10074.75
C. Rs. 10100
D. None of these
Answer» D. None of these
Discussion
117.

The price of sugar is increased by 20%. If the expenditure on sugar has to be kept the same as earlier, the ratio between the reduction in consumption and the original consumption is

A. 1 : 3
B. 1 : 4
C. 1 : 6
D. 1 : 5
Answer» D. 1 : 5
Discussion
118.

The ratio of two numbers is 4 : 5 when the first is increased by 20% and the second is decreased by 20%, the ratio of the resulting numbers is

A. 4 : 5
B. 5 : 4
C. 5 : 6
D. 6 : 5
Answer» E.
Discussion
119.

When 60% of a number is subtracted from another number, the second number reduces to its 52%; the ratio of the first number to the second number is :

A. 6: 5
B. 5: 3
C. 5: 4
D. 4: 5
Answer» E.
Discussion
120.

Rama s expenditures and savings are in the ratio 5 : 3. If her in- come increases by 12% and expenditure by 15%, then by how much per cent do her savings increase ?

A. 12%
B. 7%
C. 8%
D. 13%
Answer» C. 8%
Discussion
121.

The ratio of the number of boys and girls in a school is 3 : 2. If 20% of the boys and 25% of the girls are scholarship holders, then the percentage of the students, who do not get the scholarship, is :

A. 78%
B. 75%
C. 60%
D. 55%
Answer» B. 75%
Discussion
122.

If 30% of (B A) = 18% of (B + A), then the ratio A : B is equal to

A. 4 : 1
B. 1 : 4
C. 5 : 4
D. 5 : 9
Answer» C. 5 : 4
Discussion
123.

The ratio of syrup and water in a mixture is 3 : 1, then the percentage of syrup in this mixture is :

A. 75%
B. 25%
C. <table><tr><td rowspan="2">66</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">%</td></tr><td align="center">3</td></table>
D. <table><tr><td rowspan="2">33</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">%</td></tr><td align="center">3</td></table>
Answer» B. 25%
Discussion
124.

A milkman mixed some water with milk to gain 25% by selling the mixture at the cost price. The ratio of water and milk is respectively

A. 5 : 4
B. 4 : 5
C. 1 : 5
D. 1 : 4
Answer» E.
Discussion
125.

If 50% of p = 30% of q, then p : q is

A. 2 : 3
B. 5 : 3
C. 3 : 2
D. 3 : 5
Answer» E.
Discussion
126.

The ratio of the number of boys to that of girls in a village is 3 : 2. If 30% of boys and 70% of girls appeared in an examination, the ratio of the number of villagers, appeared in the examination to that not appeared in the same examination is

A. 9 : 14
B. 23 : 27
C. 1 : 1
D. 27 : 23
Answer» C. 1 : 1
Discussion
127.

In what ratio must 25% hydrochloric acid be mixed with 60% hydrochloric acid to get a mixture of 40% hydrochloric acid ?

A. 5 : 12
B. 4 : 3
C. 3 : 4
D. 12 : 5
Answer» D. 12 : 5
Discussion
128.

If 35% of A s income is equal to 25% of B s income, then the ratio of A s income to B s income is

A. 7 : 5
B. 5 : 7
C. 4 : 7
D. 4 : 3
Answer» C. 4 : 7
Discussion
129.

The ratio of the number of boys and girls in a school is 3 : 2. If 20% of the boys and 25% of the girls are scholarship holders, the percentage of the school students who are not scholarship holders is

A. 56
B. 78
C. 70
D. 80
Answer» C. 70
Discussion
130.

The ratio between Ram s age and Rahim s age is 10 : 11. What is the age of Rahim in percentage of Ram s age ?

A. <table><tr><td rowspan="2">109</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">%</td></tr><td align="center">11</td></table>
B. 110%
C. <table><tr><td rowspan="2">111</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">%</td></tr><td align="center">9</td></table>
D. 111%
Answer» C. <table><tr><td rowspan="2">111</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">%</td></tr><td align="center">9</td></table>
Discussion
131.

If 10% of p is 3 times 15% of q, then find p : q.

A. 7 : 2
B. 9 : 2
C. 8 : 3
D. 11 : 4
Answer» C. 8 : 3
Discussion
132.

There is a ratio of 5: 4 between two numbers. If 40 % of the first number is 12, then what would be 50 % of the second number?

A. 12
B. 24
C. 18
D. Data Inadequate
Answer» B. 24
Discussion
133.

75 gm of sugar solution has 30% sugar in it. Then the quantity of sugar that should be added to the solution to make the quantity of the sugar 70% in the solution, is

A. 125 gm
B. 100 gm
C. 120 gm
D. 130 gm
Answer» C. 120 gm
Discussion
134.

A vessel has 60 litres of solution of acid and water having 80% acid. How much water be added to make it a solution in which acid forms 60% ?

A. 48 litres
B. 20 litres
C. 36 litres
D. None of these
Answer» C. 36 litres
Discussion
135.

If 4 litres of water is evaporated on boiling from 12 litres of salt solution containing 7 percentage salt, the percentage of salt in the remaining solution is

A. 10.5%
B. 11.5%
C. 12%
D. 13%
Answer» B. 11.5%
Discussion
136.

1 litre of water is added to 5 litres of alcohol-water solution containing 40% alcohol strength. The strength of alcohol in the new solution will be

A. 30%
B. 33%
C. <table><tr><td rowspan="2">33</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">%</td></tr><td align="center">3</td></table>
D. <table><tr><td rowspan="2">33</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">%</td></tr><td align="center">3</td></table>
Answer» E.
Discussion
137.

One type of liquid contains 20% water and the second type of liquid contains 35% of water. A glass is filled with 10 parts of first liquid and 4 parts of second liquid. The water in the new mixture in the glass is

A. 37%
B. 46%
C. <table><tr><td rowspan="2">12</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">%</td></tr><td align="center">7</td></table>
D. <table><tr><td rowspan="2">24</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">%</td></tr><td align="center">7</td></table>
Answer» E.
Discussion
138.

In one litre of a mixture of alcohol and water, water is 30%. The amount of alcohol that must be added to the mixture so that the part of water in the mixture becomes 15% is :

A. 1000 ml
B. 700 ml
C. 300 ml
D. 900 ml
Answer» B. 700 ml
Discussion
139.

How much water must be added to 100 ml of 80 per cent solution of boric acid to reduce it to a 50 per cent solution ?

A. 30 ml
B. 40 ml
C. 50 ml
D. 60 ml
Answer» E.
Discussion
140.

An ore contains 25% of an alloy that has 90% iron. Other than this, in the remaining 75% of the ore, there is no iron. To obtain 60 kg of pure iron, the quantity of the ore needed (in kgs) is approximately :

A. 250.57
B. 266.67
C. 275.23
D. 300
Answer» C. 275.23
Discussion
141.

A litre of pure alcohol is added to 6 litres of 30% alcohol solution. The percentage of water in the solution is

A. 50%
B. 65%
C. 60%
D. 40%
Answer» D. 40%
Discussion
142.

200 litres of a mixture contains 15% water and the rest is milk. The amount of milk that must be added so that the resulting mixture contains 87.5% milk is

A. 30 litres
B. 35 litres
C. 40 litres
D. 45 litres
Answer» D. 45 litres
Discussion
143.

In what ratio must a mixture of 30% alcohol strength be mixed with that of 50% alcohol strength so as to get a mixture of 45% alcohol strength ?

A. 1 : 2
B. 1 : 3
C. 2 : 1
D. 3 : 1
Answer» C. 2 : 1
Discussion
144.

A man spends Rs. 3500 per month and saves 12

A. Rs. 4400
B. Rs. 4270
C. Rs. 4000
D. Rs. 3937.50
Answer» D. Rs. 3937.50
Discussion
145.

In 50 gm alloy of gold and silver, the gold is 80% by weight. How much gold should be mixed to this alloy so that the weight of gold would become 95% ?

A. 200 gm
B. 150 gm
C. 50 gm
D. 10 gm
Answer» C. 50 gm
Discussion
146.

How much pure alcohol has to be added to 400 ml of a solution containing 15% of alcohol to change the concentration of alcohol in the mixture to 32% ?

A. 60 ml
B. 100 ml
C. 128 ml
D. 68 ml
Answer» C. 128 ml
Discussion
147.

40 litres of a mixture of milk and water contains 10% of water, the water to be added, to make the water content 20% in the new mixture is :

A. 6 litres
B. 6.5 litres
C. 5.5 litres
D. 5 litres
Answer» E.
Discussion
148.

20 litres of a mixture contains 20% alcohol and the rest water. If 4 litres of water be mixed in it, the percentage of alcohol in the new mixture will be

A. <table><tr><td rowspan="2">33</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">%</td></tr><td align="center">3</td></table>
B. <table><tr><td rowspan="2">16</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">%</td></tr><td align="center">3</td></table>
C. 25%
D. <table><tr><td rowspan="2">12</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">%</td></tr><td align="center">2</td></table>
Answer» C. 25%
Discussion
149.

In what ratio must 25% of alcohol be mixed with 50% of alcohol to get a mixture of 40% strength alcohol ?

A. 1 : 2
B. 2 : 1
C. 2 : 3
D. 3 : 2
Answer» D. 3 : 2
Discussion
150.

15 litres of a mixture contains alcohol and water in the ratio 1 : 4. If 3 litres of Water is mixed in it, the percentage of alcohol in the new mixture will be

A. 15%
B. <table><tr><td rowspan="2">16</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">%</td></tr><td align="center">3</td></table>
C. 17%
D.
E. <table><tr><td rowspan="2">18</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">%</td></tr><td align="center">2</td></table>
Answer» C. 17%
Discussion