MCQ Collection
NET Natural Sciences MCQs
Practice NET Natural Sciences questions with answers and explanations.
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Correct Answer: A. 4
Explanation:
A composite number has more than two positive factors.
The number 4 has factors 1, 2, and 4.
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Correct Answer: B. 5
Explanation:
The positive factors of 16 are 1, 2, 4, 8, and 16.
Therefore, it has 5 positive factors.
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Correct Answer: C. 2² × 3 × 7
Explanation:
Dividing 84 by primes gives 84 = 2 × 2 × 3 × 7.
This is 2² × 3 × 7.
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Correct Answer: D. √2
Explanation:
An irrational number cannot be expressed as a ratio of integers.
The number √2 has a nonterminating, nonrepeating decimal expansion.
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Correct Answer: A. 32
Explanation:
The expression 2⁵ means multiplying five factors of 2.
Thus, 2 × 2 × 2 × 2 × 2 = 32.
