Placement Papers - MCQ Practice Questions

Practice free Placement Papers multiple-choice questions with detailed answers and explanations. Perfect for competitive exam preparation.

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Q.1Hard

If all roses are flowers and some flowers are red, which conclusion is valid?

Q.2Hard

A man is facing North. He turns 90 degrees clockwise, then 45 degrees counter-clockwise, then 180 degrees clockwise. Which direction is he facing now?

Q.3Hard

In machine learning, what is the purpose of cross-validation?

Q.4Hard

What is the primary advantage of using NoSQL databases over relational databases?