A software developer at Wipro needs to optimize a database query that currently takes 8 seconds to execute. After optimization, it takes 2 seconds. What is the percentage improvement in performance?
A25%
B75%
C300%
D400%
Correct Answer:
B. 75%
Explanation:
Performance improvement = ((8-2)/8) × 100 = 75%. This is a common optimization scenario in IT services.
A Wipro project team has 5 developers, 3 QA engineers, and 2 project managers. If the project requires a 40% increase in team size, how many new members should be hired?
A4 members
B5 members
C6 members
D8 members
Correct Answer:
A. 4 members
Explanation:
Total team = 5+3+2 = 10. 40% increase = 10 × 0.4 = 4 new members needed.
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