Question

Question 15 How many numbers between 6 and 57 (including 6 and 57) are there which are divisible by 3 but not by 9?

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Answer 1

Answer: 6, 12, 15, 21, 24, 30, 33, 39, 41…

Answer 2

NUMBERS ARE

6 , 7 , 8 , 9 , 10 , 11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 , 19 , 20 ,21 ,22 ,23 ,24 ,25 ,26 ,27 ,28 ,29 ,30 , 31 ,32 ,33 ,34 ,35 ,36 ,37 ,38 ,39 , 40 ,41 ,42 ,43 ,44 ,45 ,46 ,47 ,48 ,49 ,50 ,51 ,52 , 53 ,54 ,55 ,56 ,57

DIVISIBLE BY 3 THE NUMBERS ARE

3 , 6 , 9 , 12 , 15 , 18 , 21 , 24 , 27 , 30 , 33 , 36 , 39 , 42 , 45 , 48 , 51 , 54 , 57

DIVISIBLE BY 9 THE NUMBERS ARE

9 , 18 , 27 , 36 , 45 , 54

SO THE NUMBERS DIVISIBLE BY 3 BUT NOT BY 9 ARE

3 , 6 , 12 , 15 , 21 , 24, 30 , 33 , 39, 42 , 48 , 51 , 57

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