How many multiples of 7 are there between 10 and 100 (both are inclusive)?  Answers:  A) 11  B) 13  C) 15  D) 17  E) 21
7 multiples are 14,21,28,---------,98   It should be mentioned whether 10 and 100 are inclusive.   the answer is   (98-14)/7+1= 
<gadget id="calculator">  (98-14)/7+1</gadget>
<output>13</output>
13   Answer is 13
<result>B</result>
How many multiples of 7 are there between 10 and 100 (both are inclusive)?