How many multiples of 3 are there between 15 and 246 ? Choices.
A) 128  B) 94  C) 89  D) 76  E) 60
It should be mentioned whether 15 and 246 are inclusive.   If 15 and 246 are inclusive, then the answer is   (246-15)/3+1= 
<gadget id="calculator">  (246-15)/3+1</gadget>
<output>78</output>
78.   If 15 and 246 are NOT inclusive, then the answer is   (243-18)/3+1= 
<gadget id="calculator">  (243-18)/3+1</gadget>
<output>76</output>
76.   Since OA is 76, then we have NOT inclusive case.
<result>D</result>
How many multiples of 3 are there between 15 and 246 ?