LDC • 2025 • Paper-I
How many words can be formed by using 3 letters from the words ‘DELHI’?
A)
40
B)
50
C)
60
D)
70
Option C is correct: 60.
LDC • 2025 • Paper-I
A software is-
A)
The physical components of a computer
B)
The processing speed of a computer
C)
The electrical wiring of a computer
D)
Asset of instructions that tell the computer what to do
Option D is correct: Asset of instructions that tell the computer what to do.
LDC • 2025 • Paper-I
What is the default line spacing in most word processors?
A)
Double
B)
Single
C)
1.5
D)
1.15
Option D is correct: 1.15.
LDC • 2025 • Paper-I
What does the “Rehearse Timings” feature do in PowerPoint?
A)
Allows you to practice delivering your presentation and automatically records the timing for each slide
B)
Sets the duration for each slide to display automatically
C)
Applies the same timing to all slides in the presentation
D)
Changes the background music timing
Option A is correct: Allows you to practice delivering your presentation and automatically records the timing for each slide.
LDC • 2025 • Paper-I
Cache memory of a computer is -
A)
Slower memory than RAM and is used for bulk storage.
B)
Fast memory bridging the gap between Hard Disk and RAM
C)
Memory that can be carried around to transfer files between computers.
D)
Generally integrated within the processor, so as to bridge between processor and memory.
Option D is correct: Generally integrated within the processor, so as to bridge between processor and memory..
LDC • 2025 • Paper-I
In Microsoft PowerPoint a single pages that make up a presentation is -
A)
Tables
B)
Sheets
C)
Slides
D)
Components
Option C is correct: Slides.
LDC • 2025 • Paper-I
Successive discounts of 20% and 10% are equivalent to a single discount of :
A)
28%
B)
15%
C)
30%
D)
25%
Option A is correct: 28%.
LDC • 2025 • Paper-I
What happens if you leave the “Replace with” field blank in the Replace dialog box?
A)
The search operation stops
B)
The text remains unchanged
C)
The word processor displays an error
D)
The text is deleted wherever it is found
Option D is correct: The text is deleted wherever it is found.
LDC • 2025 • Paper-I
In Excel, a collection of cells that are organized into rows and columns :
A)
Components
B)
Tables
C)
Slides
D)
Worksheets
Option D is correct: Worksheets.
LDC • 2025 • Paper-I
How does HTTPS ensure security during a transaction?
A)
By encrypting the entire communication between the user and the website
B)
By hiding the user’s IP address
C)
By limiting access to sensitive websites
D)
By storing data on secure servers
Option A is correct: By encrypting the entire communication between the user and the website.
LDC • 2025 • Paper-I
The angle of elevation of the sun, when the height of the a tree is √3 times the length of its shadow, is:
A)
30°
B)
45°
C)
60°
D)
90°
Option C is correct: 60°.
LDC • 2025 • Paper-I
What can you typically see on the Word screen of a word processor?
A)
A blank page with a cursor, menus, and toolbars
B)
Only the title of the document
C)
The system settings
D)
A list of running programs
Option A is correct: A blank page with a cursor, menus, and toolbars.
LDC • 2025 • Paper-I
The average weight of 9 Apples and 1 Mango is 800 grams. If the Mango is excluded, then the average weight is reduced by 150 grams. Then the weight of the Mango is:
A)
2100 grams
B)
2150 grams
C)
2200 grams
D)
2250 grams
Option B is correct: 2150 grams.
LDC • 2025 • Paper-I
Find the odd word from the given alternatives.
A)
Pathology
B)
Geology
C)
Cardiology
D)
Radiology
Option B is correct: Geology.
LDC • 2025 • Paper-I
Which one of the following is NOT email provider?
A)
Gmail
B)
GPay
C)
Yahoo Mail
D)
Proton Mail
Option B is correct: GPay.
LDC • 2025 • Paper-I
The average monthly income of P and Q is 75,050. The average monthly income of Q and R is 6,250 and the average monthly income of P and R is 5,200. The monthly income of P is :
A)
3500
B)
74000
C)
4050
D)
5000
Option B is correct: 74000.
LDC • 2025 • Paper-I
The average of 7 consecutive numbers is 20. The largest of these numbers is :
A)
21
B)
22
C)
23
D)
24
Option C is correct: 23.
LDC • 2025 • Paper-I
In PowerPoint, what is the default layout when you add a new slide to a presentation?
A)
Blank Slide
B)
Title Slide
C)
Title and Content
D)
Two Content
Option C is correct: Title and Content.
LDC • 2025 • Paper-I
Which output device is suitable for printing high-quality graphics like blueprints?
A)
Inkjet Printer
B)
Plotter
C)
Laser Printer
D)
Dot Matrix Printer
Option B is correct: Plotter.
LDC • 2025 • Paper-I
Add 2√2 + 5√3 and √2 - 3√3.
A)
3√2 + 2√3
B)
7√2 - √3√2
C)
3√44 + 2√0
D)
3√44 3√6
Option A is correct: 3√2 + 2√3.
LDC • 2025 • Paper-I
Which of the following is not a prime number?
A)
233
B)
251
C)
241
D)
259
Option D is correct: 259.
LDC • 2025 • Paper-I
How many ways, can we select a team of 4 students from a given choice of 15?
A)
34880
B)
32760
C)
1365
D)
132
Option C is correct: 1365.
LDC • 2025 • Paper-I
Main memory of a computer is -
A)
RAM
B)
Hard Disk
C)
Processor
D)
Pendrive
Option A is correct: RAM.
LDC • 2025 • Paper-I
Classification of computers is most appropriately done on the basis of -
A)
Computing power and capacity to manage data
B)
Display size
C)
Generation of computers
D)
Amount of storage supported
Option A is correct: Computing power and capacity to manage data.
LDC • 2025 • Paper-I
What does “CC” stand for in e-mail communication?
A)
Carbon Copy
B)
Closed Copy
C)
Confidential Copy
D)
Copy Code
Option A is correct: Carbon Copy.
