12 : 143 : : 19 : ?
A391
B371
C360
D390
A391
B371
C360
D390
Related Questions:
Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number.
3 : 17 :: 6: ? :: 9 : 47
Select the set in which the numbers are related in the same way as are the numbers of the following set.
(7, 30, 40)