Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.
6 : 209 :: 7 : 336 :: 9 : ?
Answer & explanation
Correct answer: option 2
As we know
63 - 7 = 209
73 - 7 = 336
Similarly
93 - 7 = 722