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.42Easy
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.43Medium
A warehouse manager needs to pack boxes into containers. If 15 workers can pack 450 boxes in 6 hours, how many boxes can 20 workers pack in 8 hours, assuming the same productivity rate?
Answer: A
Rate per worker per hour = 450/(15×6) = 5 boxes/hour. For 20 workers in 8 hours = 20×8×5 = 800 boxes.
Q.44Medium
In a sequence: 2, 6, 12, 20, 30, __. What is the next number?
Answer: B
The pattern is n(n+1): 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, 6×7=42. Each term is the product of consecutive integers.
Q.45Easy
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.
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Q.46Easy
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.47Medium
A company's revenue grows by 25% in Year 1 and 20% in Year 2. If the initial revenue was ₹100 crore, what is the revenue after 2 years?
Answer: B
After Year 1: 100 × 1.25 = ₹125 crore. After Year 2: 125 × 1.20 = ₹150 crore.
Q.48Medium
In a circular arrangement of 8 people, if person A sits at a fixed position, how many distinct arrangements are possible for the remaining 7 people?
Answer: A
With one person fixed in circular arrangement, the remaining 7 people can be arranged in 7! ways (avoiding counting rotations as different).
Q.49Easy
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.
Q.50Hard
A system processes 1000 requests per second. If 8% of requests fail and need retry, and each retry takes 2 seconds, approximately how many total seconds are needed to process 10,000 requests including retries (assuming sequential processing)?
