What is the remainder when 220*165*110*55 is divided by 15? Choose the correct answer: A) 12 B) 15 C) 10 D) 11 E) 18
OA is 'C'.   OE:   take the remainder from each of 220/15, 165/15 and so on..   220/15 gives remainder = 10   165/15 gives remainder = 0   110/15 gives remainder = 5   55/15 gives remainder = 10   the net remainder is the product of above individual remainders. i.e = 10*0*5*10   break them into pairs 10*0/15 gives remainder 10   and 5*10/15 gives remainder 5   so 10*5/15 gives remainder 5.   Answer: 10
<result>C</result>
What is the remainder when 220*165*110*55 is divided by 15?