If we add 9 to a positive number we get 45, then the number is ………………. 

A) 23 

B) 35

C) 40 

D) 36

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1 Answers

Correct option is (D) 36

Let the number be x.

\(\therefore\) x+9 = 45

\(\Rightarrow\) x = 45 - 9 = 36.

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