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ECAT - Practice Test - Maths - Number Systems and Sets Quiz

Attempt 10 MCQs on ECAT - Practice Test - Maths - Number Systems and Sets | Quiz 1

1. What is the additive identity of real numbers?



2. Which of the following is a rational number?



3. The set of all natural numbers is denoted by:



4. If A = {1,2,3} and B = {2,3,4}, then A ∩ B is:



5. The imaginary unit i is defined as:



6. Which of the following is a function?



7. The set of integers is a subset of:



8. What is the union of A = {1,2} and B = {2,3}?



9. The absolute value of -5 is:



10. Which is a complex number?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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