If 7a = 2b = 15, then 42ab =
Choose the correct choice from the following answers
A) 75 B) 125 C) 675 D) 1100 E) 1250
7a * 2b = 15 * 15= 
<gadget id="calculator">15 * 15</gadget>
<output>225</output>
225   14 ab= 225   i.e. 42 ab = 675   Answer: Option 675
<result>C</result>
If 7a = 2b = 15, then 42ab =