Select the option that is related to the third number in the same way as the second number is related to the first number.
5 : 30 :: 9 : ?
A81
B72
C65
D90
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Related Questions:
Each group of letters in the following triads is related to the subsequent one following a certain logic. Select the option in which the triad follows the same logic.
YALE - ALEY - LEYA
SOAP - OAPS - APSO
12 : 72 ∷ 18 : ?
Select the related number from the given alternatives.
5 : 150 :: 6 : ?
292: 146: : 582 : ?