C-01-Q016mediumsingle_mcq

Which list contains only composite numbers?

a $2, 4, 6, 8$
b $4, 6, 8, 9$
c $3, 5, 7, 9$
d $1, 4, 6, 8$

ব্যাখ্যা

Each of $4, 6, 8, 9$ has more than two factors, making them all composite; the other lists contain primes such as $2$ , $3$ , $5$ , $7$ or the number $1$ .

এই অধ্যায়ের আরও প্রশ্ন

C-01-Q017Two integers are said to be mutually prime if their GCD is—
C-01-Q018Which pair is mutually prime?
C-01-Q019Which description best fits integers?
C-01-Q020Which of the following is NOT an integer?
C-01-Q021Which number is an integer but not a natural number?
C-01-Q022A fraction is called proper when—
C-01-Q023Which of the following is an improper fraction?
C-01-Q024For a fraction , which condition must hold?
C-01-Q025Which of the following is a proper fraction?
C-01-Q026A rational number has the form where—

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