What is the missing number in this sequence: 5, 10, 20, 40, ?
A 50 B 60 C 70 D 80
Each number is multiplied by 2. 5×2=10, 10×2=20, 20×2=40, 40×2=80
A train travels 300 km in 5 hours. If it increases its speed by 20%, how long will it take to cover 360 km?
A 4 hours B 5 hours C 4.5 hours D 3.5 hours
Original speed = 5 300 72 360
A man bought a car for Rs. 5,00,000 and sold it at a loss of 15%. What is the selling price?
A Rs. 4,25,000 B Rs. 4,15,000 C Rs. 5,75,000 D Rs. 4,45,000
Selling Price = Cost Price × (1 - Loss%). SP = 500000 × (1 - 0.15) = 500000 × 0.85 = Rs. 4,25,000
If the compound interest on Rs. 10,000 at 10% per annum for 2 years is compound annually, what is the amount?
A Rs. 12,100 B Rs. 12,000 C Rs. 11,000 D Rs. 12,200
Amount = P(1 + R/100)^n = 10000(1 + 100 10
What is the average of first 20 natural numbers?
A 10 B 10.5 C 11 D 9.5
Sum of first n natural numbers = n(n+1)/2. Sum = 20×2 21 20 210
A person walks 6 km North, then 8 km East. What is the shortest distance from the starting point?
A 10 km B 14 km C 12 km D 9 km
Using Pythagorean theorem: Distance = √(6² + 8²) = √(36 + 64) = √100 = 10 km
A mixture contains milk and water in the ratio 5:3. If the total quantity is 80 liters, how much milk is there?
A 40 liters B 50 liters C 60 liters D 30 liters
Milk:Water = 5:3, Total parts = 8. Milk = 8 5
A number increased by 25% becomes 500. What is the original number?
A 400 B 375 C 425 D 450
Let original number = x. x × 1.25 = 500. x = 1 500
Find the LCM of 12, 18, and 24.
A 72 B 60 C 84 D 96
12 = 2² × 3, 18 = 2 × 3², 24 = 2³ × 3. LCM = 2³ × 3² = 8 × 9 = 72
Which word does NOT belong to the group? CAR, TRUCK, BICYCLE, AIRPLANE
A BICYCLE B AIRPLANE C TRUCK D CAR
All except AIRPLANE are land vehicles. AIRPLANE is an air vehicle
TIGER: STRIPES as ZEBRA: ?
A BLACK B STRIPES C HOOVES D LEGS
Tiger is characterized by stripes. Zebra is also characterized by stripes
What does 'ubiquitous' mean?
A Extremely rare B Present everywhere C Very expensive D Complicated
'Ubiquitous' means being or appearing everywhere at the same time; omnipresent
Read the passage: 'Technology has revolutionized education. Students now have access to online courses from top universities.' What is the main idea?
A Online courses are free B Technology has changed how education is delivered C Top universities offer better education D All students prefer online learning
The passage states that technology has revolutionized education and enabled access to courses. This is the main idea
Which of the following best describes SQL?
A A programming language for web development B A language for managing and querying databases C A markup language for creating web pages D A platform for cloud computing
SQL (Structured Query Language) is used for managing and querying relational databases
What is the output of: print(10 // 3) in Python?
A 3 B 3.33 C 4 D Error
The '//' operator performs floor division, which returns 3 (the integer part of 3 10
Which data structure uses LIFO (Last-In-First-Out)?
A Queue B Stack C Array D Linked List
A Stack uses LIFO principle where the last element added is the first one to be removed
Which protocol is used for secure web communication?
A HTTP B FTP C HTTPS D SMTP
HTTPS is HTTP with encryption/security using SSL/TLS protocols for secure communication
What is the main purpose of version control systems like Git?
A To compress files B To track changes in code and enable collaboration C To encrypt code D To execute code
Version control systems track code changes over time and facilitate team collaboration by managing different versions
What does API stand for?
A Application Programming Instruction B Application Programming Interface C Advanced Programming Integration D Application Process Integration
API stands for Application Programming Interface - a set of rules that allows different applications to communicate
What is an exception in programming?
A A feature that all programs must have B An error that occurs during program execution that disrupts normal flow C A special type of variable D A comment in the code
An exception is an event that occurs during program execution that disrupts the normal flow, requiring special handling
