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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 2

11. What is the conjugate of 2 + 3i?



12. If A ⊆ B, then which is true?



13. The identity element for addition in real numbers is:



14. Which of the following is an irrational number?



15. The set of prime numbers between 1 and 10 is:



16. What is the product of (3 + 2i) and (3 - 2i)?



17. A function f: A → B is called injective if:



18. The set of all even integers is:



19. Which of the following is a well-defined set?



20. What is the modulus of 3 + 4i?



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