Q. 1
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
32% of 25 is ——?
💡
Step-by-Step Explanation & Concept Rationale
Calculation: 25×0.32=8.
Q. 2
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
Express 65% as a fraction.
💡
Step-by-Step Explanation & Concept Rationale
65/100=13/20.
Q. 3
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
Express 19.66% in decimals.
💡
Step-by-Step Explanation & Concept Rationale
Percentage to decimal: 19.66/100=0.1966.
Q. 4
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
Reduce 0.0003 to percent.
💡
Step-by-Step Explanation & Concept Rationale
0.0003×100=0.03%.
Q. 5
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
Convert 5/16 into percent.
💡
Step-by-Step Explanation & Concept Rationale
(5/16)×100=0.3125×100=31.25%.
Q. 6
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
125% of Rs. 120 is ——?
💡
Step-by-Step Explanation & Concept Rationale
120×1.25=150.
Q. 7
Quantitative Aptitude Test
Difficulty: Hard
(1 Mark)
In a class of 30 boys and 20 girls, percentage of girls?
💡
Step-by-Step Explanation & Concept Rationale
Total = 50. Girl % = (20/50)×100=40%.
Q. 8
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
In x% of 144 is 9, then the value of x is ——?
💡
Step-by-Step Explanation & Concept Rationale
x/100×144=9
⟹x=900/144=6.25.
⟹x=900/144=6.25.
Q. 9
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
What per cent of 64 is 24?
💡
Step-by-Step Explanation & Concept Rationale
(24/64)×100=3/8×100=37.5%.
Q. 10
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
Adding 6% of y to y is equivalent to multiplying y by ——?
💡
Step-by-Step Explanation & Concept Rationale
y+0.06y=1.06y.
Q. 11
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
If y exceeds x by 20%, then what per cent less than y is x?
💡
Step-by-Step Explanation & Concept Rationale
Let x=100,y=120.
Difference is 20.
(20/120)×100=16.67%.
Difference is 20.
(20/120)×100=16.67%.
Q. 12
Quantitative Aptitude Test
Difficulty: Hard
(1 Mark)
A/B are 20% and 50% more than C. What percentage is A of B?
💡
Step-by-Step Explanation & Concept Rationale
Let C=100,A=120,B=150. Ratio 120/150=4/5=80%.
Q. 13
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
A man saves 11% of his income of Rs. 1200. He spends ——?
💡
Step-by-Step Explanation & Concept Rationale
Saves: 1200×0.11=132. Spends: 1200−132=1068.
Q. 14
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
575 of 625 students went to picnic. % who did not attend?
💡
Step-by-Step Explanation & Concept Rationale
Did not attend:
625−575=50.
(50/625)×100=8%.
625−575=50.
(50/625)×100=8%.
Q. 15
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
Sohail earns Rs. 520 and saves Rs. 65. What % does he save?
💡
Step-by-Step Explanation & Concept Rationale
(65/520)×100=1/8×100=12.5%.
Q. 16
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
Man loses 12.5% money, spends 70% of rem, has 210 left. Initial?
💡
Step-by-Step Explanation & Concept Rationale
0.3×(0.875x)=210⟹0.2625x=210⟹x=800.
Q. 17
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
A woman has a certain number of mangoes, of which 13% are bad. She gives 75% of the remainder in charity and then has 261 left. How many had she at first?
💡
Step-by-Step Explanation & Concept Rationale
Let the initial number of mangoes be \(X\).
After 13% are bad, the remaining mangoes are 87% of \(X\).
After giving 75% of the remainder away, she has 25% of the remainder left.
Set up the equation:
0.25 × (0.87x)=261
⟹0.2175x=261
⟹x=1200.
After 13% are bad, the remaining mangoes are 87% of \(X\).
After giving 75% of the remainder away, she has 25% of the remainder left.
Set up the equation:
0.25 × (0.87x)=261
⟹0.2175x=261
⟹x=1200.
Q. 18
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
Population X, annual increase r%. Population in n years?
💡
Step-by-Step Explanation & Concept Rationale
Standard formula for compound population growth over time.
Q. 19
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
If the price of sugar be raised by 20% find by how much per cent a house holder must reduce his consumption so as not to increase his expenditure.
💡
Step-by-Step Explanation & Concept Rationale
Formula: [r/(100+r)]×100=(20/120)×100=16.66%.
Q. 20
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
Candidate needs 33%. Gets 220, fails by 11. Max marks?
💡
Step-by-Step Explanation & Concept Rationale
33% of x=220+11=231⟹x=231/0.33=700.
Q. 21
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
A person had a certain sum of money. He gave 20% of it to his eldest son, 30% of the remaining he gave to his wife. 10% of the remaining he gave in a school for poor boys, still he had Rs. 504. His total sum is
💡
Step-by-Step Explanation & Concept Rationale
0.9×0.7×0.8×x=504
⟹0.504x=504
⟹x=1000.
⟹0.504x=504
⟹x=1000.
Q. 22
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
In an examination, a candidate who secures 25% of the maximum marks fails by 75 marks but an other candidate who secures 42% of the maximum marks gets 10 marks more than necessary for passing. Determine the maximum numbers.
💡
Step-by-Step Explanation & Concept Rationale
(42%−25%) of x=75+10=85⟹17% of x=85⟹x=500.
Q. 23
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
The annual decrease in the population of a town is 5% and the present population is 6859. 3 years ago the population was
💡
Step-by-Step Explanation & Concept Rationale
x(0.95)3=6859
⟹x=6859/0.857375=8000.
⟹x=6859/0.857375=8000.
Q. 24
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
The population of a village is 800. During the first year the population increased by 10%. During second year the population increased by 20%. The population after 2 years is
💡
Step-by-Step Explanation & Concept Rationale
800×1.10=880.
880×1.20=1056.
880×1.20=1056.
Q. 25
Quantitative Aptitude Test
Difficulty: Medium
(1 Mark)
In an election, one of the two candidates gets 40% of the total vote but he loses by 160 votes. The total number of votes is
💡
Step-by-Step Explanation & Concept Rationale
Calculate the winner's vote percentage:
Since there are only two candidates, the winner received:
\(100\%-40\%=60\%\)
Find the percentage difference:
The difference between the two candidates is:
\(60\%-40\%=20\%\)
Set up the equation:
The losing candidate lost by 160 votes, which represents this \(20\%\) difference. Let \(T\) be the total number of votes:
\(20\%\text{ of }T=160\)\(0.20\times T=160\)
Solve for the total votes (\(T\)):
\(T=\frac{160}{0.20}=800\)
Since there are only two candidates, the winner received:
\(100\%-40\%=60\%\)
Find the percentage difference:
The difference between the two candidates is:
\(60\%-40\%=20\%\)
Set up the equation:
The losing candidate lost by 160 votes, which represents this \(20\%\) difference. Let \(T\) be the total number of votes:
\(20\%\text{ of }T=160\)\(0.20\times T=160\)
Solve for the total votes (\(T\)):
\(T=\frac{160}{0.20}=800\)
Study Stream Progress:
Showing 25 of 39 Questions (64%)
Jump to:
Ready to Test Your Retention & Speed?
Now that you have reviewed the study questions and rationales, test yourself in our interactive 1-by-1 practice engine or take the full official timed mock exam.