The least number by which 72 must be multiplied in order to produce a multiple of 112, is
Choose the most appropriate option: A) 6 B) 12 C) 14 D) 18 E) 20
Solution   Required numbers is divisible by 72 as well as by 112, if it is divisible by their LCM, which is 1008.   Now, 1008 when divided by 72, gives quotient	= 14.   Required number	= 14.   Answer 14
<result>C</result>
The least number by which 72 must be multiplied in order to produce a multiple of 112, is