Placement Papers - MCQ Practice Questions

Which protocol is used for secure data transmission over the internet?

What does the SELECT * query do in SQL?

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?

In a sequence: 2, 6, 12, 20, 30, __. What is the next number?

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?

Which of the following words is closest in meaning to 'CANDID'?

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?

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?

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?

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)?