🧠 JECA 2025 – Mock Test 16
📘 Based on Mathematics, Aptitude & Computer Awareness
✅ Total Questions: 50 | Correct answers marked with ✅
1. What is the value of 3 × (4 + 5)?
- 27 ✅
- 32
- 35
- 36
2. Full form of CPU?
- Central Power Unit
- Control Panel Unit
- Central Processing Unit ✅
- Computer Processing Utility
3. Which number is prime?
- 21
- 35
- 29 ✅
- 27
4. Which device is used for printing?
- Monitor
- Scanner
- Speaker
- Printer ✅
5. (x+2)(x+3) = ?
- x² + 5x + 5
- x² + 5x + 6 ✅
- x² + 6x + 5
- x² + 4x + 6
6. Shortcut key to paste:
- Ctrl + C
- Ctrl + X
- Ctrl + V ✅
- Ctrl + P
7. What is the value of 2³?
- 6
- 8 ✅
- 4
- 10
8. Which is a valid image file extension?
- .txt
- .jpg ✅
- .docx
- .exe
9. Which number is divisible by 6?
- 27
- 34
- 42 ✅
- 37
10. HTML stands for:
- High Text Markup Language
- Hyper Text Markup Language ✅
- Hyper Transfer Markup Language
- High Transfer Media Language
11. 0.75 × 100 = ?
- 65
- 85
- 70
- 75 ✅
12. What is the smallest unit of memory?
- Byte
- Kilobyte
- Bit ✅
- Megabyte
13. Which device is used to input data?
- Keyboard ✅
- Speaker
- Monitor
- Printer
14. Solve: 4² + 3² = ?
- 25 ✅
- 19
- 22
- 30
15. Which of the following is an OS?
- Photoshop
- Linux ✅
- MS Word
- Chrome
16. Value of 100 ÷ 4?
- 30
- 25 ✅
- 20
- 22
17. What is the result of 12 + 15 – 5?
- 20
- 22 ✅
- 25
- 27
18. Shortcut key for save:
- Ctrl + C
- Ctrl + S ✅
- Ctrl + P
- Ctrl + D
19. Binary of 2 is:
- 11
- 10 ✅
- 01
- 00
20. Which of these is not hardware?
- CPU
- RAM
- MS Word ✅
- Motherboard
21. Simplify: (6 + 2) × 3
- 18
- 24 ✅
- 21
- 20
22. What is a web browser?
- Hardware
- Software to access websites ✅
- Search engine
- Server
23. 1 GB = ? MB
- 512
- 500
- 1024 ✅
- 2048
24. What is the cube of 3?
- 27 ✅
- 9
- 18
- 21
25. Which is a Microsoft product?
- Excel ✅
- Safari
- Photoshop
- Linux
26. What is ⅘ in decimal?
- .6
- .8 ✅
- .5
- .75
27. .mp3 is a:
- Video file
- Audio file ✅
- Text file
- Image file
28. What is the area of a rectangle with length 5 and breadth 3?
- 15 ✅
- 8
- 10
- 20
29. Which is not an input device?
- Mouse
- Keyboard
- Monitor ✅
- Scanner
30. 20% of 250 = ?
- 30
- 35
- 50 ✅
- 45
31. Shortcut for undo:
- Ctrl + A
- Ctrl + Z ✅
- Ctrl + Y
- Ctrl + V
32. Largest 2-digit prime number?
- 93
- 97 ✅
- 99
- 91
33. Which is a type of software?
- Hard disk
- Mouse
- MS Excel ✅
- RAM
34. Find LCM of 5 and 10:
- 15
- 10 ✅
- 25
- 20
35. What is the binary of 5?
- 011
- 101 ✅
- 100
- 110
36. What does GUI stand for?
- Graphical User Interface ✅
- Global User Input
- General User Interface
- Graphics Utility Integration
37. Simplify: (10 × 2) - 5
- 10
- 25
- 15 ✅
- 20
38. Which one is a cloud storage service?
- WordPad
- Google Drive ✅
- Paint
- Excel
39. Convert 0.6 to fraction:
- 3/5 ✅
- 1/3
- 2/3
- 3/4
40. Shortcut key for refresh:
- Ctrl + R
- F5 ✅
- Ctrl + F
- Ctrl + Alt
41. Which one is an odd number?
- 28
- 37 ✅
- 40
- 24
42. Which is used for video conferencing?
- Calculator
- Paint
- Zoom ✅
- Notepad
43. Which is not a web browser?
- Chrome
- Firefox
- Edge
- Excel ✅
44. Which of the following is software?
- CPU
- Photoshop ✅
- RAM
- Monitor
45. Simplify: 2 × 5²
- 50 ✅
- 25
- 10
- 15
46. MS Excel is used for:
- Spreadsheets ✅
- Photo editing
- Video streaming
- Typing documents
47. What is 12 ÷ 3?
- 2
- 4 ✅
- 3
- 5
48. Which of the following is a search engine?
- Bing ✅
- VLC
- Photoshop
- Excel
49. What is the result of 5 × 4 + 3?
- 23 ✅
- 32
- 25
- 30
50. Which protocol is used to access websites?
- FTP
- SMTP
- HTTP ✅
- IP