MCQ Collection
NAT MCQs
Practice NAT questions with answers and explanations.
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Correct Answer: A. Either statement alone is sufficient.
Explanation:
The sides 3, 4, and 5 satisfy the Pythagorean theorem.
An angle of 90° also directly identifies a right triangle.
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Correct Answer: B. Statement I alone is sufficient.
Explanation:
The day after Monday is uniquely Tuesday.
A day before Wednesday could be Monday or Tuesday.
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Correct Answer: C. Both statements together are sufficient, but neither alone is sufficient.
Explanation:
A single rank does not reveal the total queue length.
Together the ranks give 7 + 9 - 1 = 15 people.
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Correct Answer: D. Statement I alone is sufficient.
Explanation:
Only x = 0 has square equal to zero.
The condition x ≤ 0 includes many negative values.
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Correct Answer: A. Electricity did not fail, assuming the rule has no exceptions.
Explanation:
If failure always causes closure, an open shop rules out failure under the stated assumption.
This uses the contrapositive of the rule.
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Correct Answer: B. The alarm may be armed, but it is not certain.
Explanation:
The rule says arming is sufficient for the light, not that it is the only cause.
Affirming the consequent would be invalid.
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Correct Answer: C. The password was not incorrect, assuming the rule is applied.
Explanation:
The contrapositive of incorrect password → denial is no denial → not incorrect.
This follows if the stated rule fully applies.
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Correct Answer: D. Circular reasoning
Explanation:
The conclusion is repeated in the reason without independent support.
The argument assumes what it is trying to prove.
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Correct Answer: A. Divert traffic to the alternate route.
Explanation:
The stated problem affects the current road and an alternative is available.
Diverting traffic directly addresses the risk.
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Correct Answer: B. Make future instructions clearer and verify understanding.
Explanation:
The identified cause is misunderstanding rather than time or class size.
Clearer instructions and confirmation directly target that cause.
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Correct Answer: C. Install controls and investigate the source of excess emissions.
Explanation:
The violation requires both corrective control and diagnosis.
The other options avoid rather than solve the problem.
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Correct Answer: D. Convenience alone does not prove it is suitable for every learning need.
Explanation:
The argument makes a universal conclusion from one advantage.
It ignores effectiveness, access, interaction, and subject differences.
