Question

If n(A×B) =45, then n(A) can not be (a) 15
(b)17
(c)5
(d) 9​

Answer 1

Answer:

b) 17 is the correct answer

n(a*b) =45

n(a*b)= n(a) *n(b) =45

as 45 is a factor of 5 , 9 , 15

and 17 is not the factor of 45

hence 17 is the answer

Hope it will help you

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