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WorksheetsCommercient Aptitude Test - 2023
Total questions: 30
Worksheet time: 32mins
Name
Class
Date
1.
If all cats are mammals, and some mammals are brown, which of the following must be true?
a)
All cats are brown
b)
Some cats are brown
c)
All brown things are cats
d)
Some brown things are cats
2.
If NOIDA is written as OPJEB, then what will be the code for DELHI?
a)
EFMAJ
b)
EFAMK
c)
EFMIJ
d)
EFMIK
3.
Which number is correct in place for ? in this series 6, 11, 21, 36, 56, ?
a)
75
b)
68
c)
91
d)
81
4.
Which letter is four letters before the letter that comes two letters after 'E'?
a)
A
b)
B
c)
C
d)
D
5.
In a group of 90 students, 60 like chocolates, 50 like candies, and 30 like both. How many like neither?
a)
10
b)
15
c)
20
d)
25
6.
A snail crawls up 12 feet during the daytime, but it slips down 8 feet during the night. How long to reach 48 feet high pole? (in days)
a)
10
b)
11
c)
12
d)
9
7.
What will be the output of the following SQL query? SELECT CONCAT('John', ' ', 'Doe') AS Name;
a)
John Doe
b)
John+Doe
c)
John''Doe
d)
Name
8.
What is the result of the following SQL query? SELECT * FROM students ORDER BY marks DESC LIMIT 3;
a)
All students in descending order of marks
b)
Top 3 students with the highest marks
c)
All students with marks less than 3
d)
Top 3 students with the lowest marks
9.
What is the purpose of the SQL CASE statement?
a)
To add a new column to the table
b)
To filter rows based on a condition
c)
To sort the result set
d)
To perform conditional logic in the query
10.
What is the purpose of the SQL DISTINCT keyword?
a)
To sort the result set in ascending order
b)
To remove duplicates from the result set
c)
To filter rows based on a condition
d)
To combine multiple tables
11.
In SQL, which JOIN type returns all rows from the left table and only the matching rows from the right table?
a)
LEFT JOIN
b)
RIGHT JOIN
c)
INNER JOIN
d)
FULL OUTER JOIN
12.
In SQL, which aggregate function is used to find the total number of rows in a table?
a)
AVG()
b)
COUNT()
c)
SUM()
d)
MIN()
13.
What is the perimeter of a rectangle with length 8 units and width 5 units?
a)
13 units
b)
26 units
c)
40 units
d)
16 units
14.
If there are 180 students in a school and 40% are girls, how many girls are there in the school?
a)
56
b)
68
c)
81
d)
72
15.
Find the area of a circle with a radius of 6 units (use π = 3.14).
a)
113.04 sq. units
b)
119.06 sq. units
c)
121.09 sq. units
d)
126.02 sq. units
16.
Find the perimeter of a regular hexagon with each side measuring 7 cm.
a)
21 cm
b)
35 cm
c)
42 cm
d)
49 cm
17.
Solve the equation for y: 2y + 5 = 17.
a)
y = 6
b)
y = 7
c)
y = 8
d)
y = 9
18.
Evaluate the expression: √(25 + 11) - 2^2 + 5 ÷ 5.
a)
6
b)
4
c)
3
d)
5
19.
Identify the correct form of the verb in the sentence: "She ________ a beautiful song yesterday."
a)
Sing
b)
Sings
c)
Sang
d)
Sung
20.
Choose the correct plural form of "mouse":
a)
Mouse
b)
Mouses
c)
Mices
d)
Mice
21.
Identify the error in the sentence: "He does not likes pizza."
a)
does not
b)
does not like
c)
do not like
d)
does nots
22.
Identify the correct use of the word "their" in the sentence.
a)
Their going to the park.
b)
The dog chased their tail.
c)
They're going to the park.
d)
Their going for a walk.
23.
Identify the correct sentence with proper punctuation.
a)
The weather is nice.
b)
The weather is nice?
c)
The weather is nice,
d)
the weather is nice
24.
Which sentence is grammatically correct?
a)
She don't like coffee.
b)
She doesn't like coffee.
c)
She doesn't likes coffee.
d)
She don't likes coffee.
25.
Which loop is guaranteed to execute at least once?
a)
for loop
b)
while loop
c)
do-while loop
d)
if-else statement
26.
What is the output of the following JavaScript code snippet?
javascript let x = 10; x += "5";
console.log(x);
a)
105
b)
15
c)
510
d)
"105"
27.
In Java, what is the correct way to declare an array of integers with a size of 5?
a)
int[] arr = {1, 2, 3, 4, 5};
b)
int arr[5];
c)
int arr = {1, 2, 3, 4, 5};
d)
int[5] arr;
28.
What will be the value of the variable "result" after executing the following code snippet?
int x = 10; x /= 3;
a)
3
b)
3.3333333
c)
3.0
d)
0
29.
What is the main principle of OOP that restricts access to certain parts of an object and hides its implementation details?
a)
Inheritance
b)
Encapsulation
c)
Polymorphism
d)
Abstraction
30.
What does the term "static" mean in OOP?
a)
The ability of a class to take on multiple forms
b)
The ability to create multiple instances of a class
c)
The ability to hide implementation details from other classes
d)
The ability to access a method or property without creating an instance of the class
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