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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. 4:8::8:32:: 12:?

A72

B36

C24

D144

Answer:

A. 72

Read Explanation:

2nd number =(1st number2)2×2=(\frac{\text{1st number}}{2})^2\times2


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Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
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Select the set in which the numbers are related in the same way as are the numbers of the following sets.

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding/subtracting/multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

(4, 5, 11)

(8, 6, 10)