Which of the following options is the possible total number of people in a hall given that the number of people is a multiple of both 4 and 20.?  Choose the correct choice from the following answers: A) 28 B) 60 C) 32 D) 36 E) 44
the number of people are a multiple of both 7 and 13, so it must be divisible by 7 and 13.   using the elimination method look for a number that is both divisible by 7 and 13,   of all the options only 60 is divisible by 4 and 20.   [   60/4= 
<gadget id="calculator">  60/4</gadget>
<output>15</output>
15 and   60/20= 
<gadget id="calculator">  60/20</gadget>
<output>3</output>
3]   answer :60
<result>B</result>
Which of the following options is the possible total number of people in a hall given that the number of people is a multiple of both 4 and 20.?