A bag contains 5 red balls, 7 blue balls, and 8 green balls. What is the probability of drawing a red ball?
Answer: A
Total balls = 5 + 7 + 8 = 20. Probability of red = 205 = 41
Q.4Easy
Find the missing number in the series: 1, 1, 2, 3, 5, 8, ?, 21
Answer: B
This is the Fibonacci series where each number is the sum of the previous two. 5 + 8 = 13
Q.5Easy
Complete the analogy: Clock is to Time as Thermometer is to ?
Answer: B
Clock measures time. Thermometer measures temperature. The relationship is the same.
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Q.6Easy
In a row of 10 people, if Ramesh is 7th from the left, what is his position from the right?
Answer: B
Position from right = Total - Position from left + 1 = 10 - 7 + 1 = 4
Q.7Easy
Complete the sentence: 'Despite his wealth, he lived _____ lifestyle.'
Answer: A
'A modest' is grammatically correct. 'Modest' starts with a consonant sound, so we use 'a' not 'an'.
Q.8Easy
What does the idiom 'break the ice' mean?
Answer: B
'Break the ice' idiomatically means to initiate conversation or ease tension in a social situation.
Q.9Easy
In the context of REST APIs, what does POST primarily do?
Answer: B
POST method is used to create new resources on the server. GET retrieves, PUT/PATCH updates, DELETE removes.
Q.10Easy
Which design pattern is used when you want to ensure a class has only one instance?
Answer: B
Singleton Pattern restricts a class to have only one instance and provides a global access point to it.
Q.11Easy
Which of the following is NOT a principle of object-oriented programming?
Answer: D
The four OOP principles are Inheritance, Encapsulation, Polymorphism, and Abstraction. 'Materialization' is not an OOP principle.
Q.12Easy
What is the purpose of the 'try-catch' block in Java?
Answer: B
try-catch blocks allow you to handle exceptions without crashing the program, providing graceful error handling.
Q.13Easy
Which protocol is used for secure data transmission over the internet?
Answer: B
HTTPS (HTTP Secure) encrypts data in transit using SSL/TLS. Other protocols lack this encryption.
Q.14Easy
What does the SELECT * query do in SQL?
Answer: B
SELECT * retrieves all columns and rows from a table. * is a wildcard meaning 'all columns'.
Q.15Easy
If a train travels 240 km in 4 hours and then 180 km in 3 hours, what is its average speed for the entire journey?
Answer: C
Total distance = 240 + 180 = 420 km. Total time = 4 + 3 = 7 hours. Average speed = 7420 = 60 km/h.
Q.16Easy
Which of the following words is closest in meaning to 'CANDID'?
Answer: B
CANDID means honest, frank, and straightforward. Frank (option B) is a direct synonym meaning honest and open.
Q.17Easy
Read the passage and answer: 'Amazon's supply chain relies on predictive analytics to forecast demand. This AI-driven approach reduces inventory costs and improves delivery times.' Which statement best captures the main idea?
Answer: B
The passage states that AI-driven predictive analytics serves three purposes: forecasting demand, reducing inventory costs, and improving delivery times. Option B accurately captures all these points.
