CTET 2 Math and Science 31 Dec 2021 Paper

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Question : 32 of 150
 
Marks: +1, -0
Which of the following statements are true?
(i) Sum of two prime numbers is always a prime number.
(ii) A composite number can be odd.
(iii) '2' is the only even prime number.
(iv) '1' is the smallest prime number.
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