EduGoog
choose odd numeral pair/group

( 5:50 ), ( 8:128 ), ( 11:242 ), ( 15:370 )

Option:
A. 5:50
B. 8:128
C. 11:242
D. 15:370
Answer: A . 15:370

Justification:

In all other pairs, second number is mulitple of  first number.
 
5:50 - 5*10
8:128 - 8 * 41
11:242 - 11 * 22
15:370 - 15 * 24.6

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