How many positive integers less than 250 are multiple of 4 but NOT multiples of 6? Choose the correct choice from the following options
A) 20 B) 31 C) 42 D) 53 E) 64
Multiples of 4 less than 250 = {4,8,12,......248} = 62 numbers   Multiples of 4 which are multiples of 3 too ={12,24,36.....240} = 20 numbers   So required number= 62-20= 
<gadget id="calculator">62-20</gadget>
<output>42</output>
42   42hoice 42
<result>C</result>
How many positive integers less than 250 are multiple of 4 but NOT multiples of 6?