Question 1
If A = {1, 2, 3} and B = {3, 4}, what is A ∪ B?
Correct Answer:
{1, 2, 3, 4}
Question 2
What is the modulus of the complex number z = 3 + 4i?
Correct Answer:
5
Question 3
The binary number 1011 is equal to which decimal number?
Correct Answer:
11
Question 4
The sum of the first 20 terms of the arithmetic progression 2, 5, 8, 11, … is:
Correct Answer:
610
Question 5
If the roots of the quadratic equation x² − 5x + 6 = 0 are α and β, what is the value of α + β?
Correct Answer:
5
Question 1
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Prepare with the UPSC NDA (I) Practice Questions - National Defence Academy and Naval Academy Examination (I), 2026 Exam practice quiz. This question bank includes 100 questions covering value, number, word, probability, and sentence. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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UPSC NDA (I) Practice Questions - National Defence Academy and Naval Academy Examination (I), 2026 Exam

This practice set contains 100 questions from the matching question bank and focuses on value, number, word, probability, and sentence. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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