What is the limitation on the total amount of

Select the option that is related to the third word in the same way as the second word is related to the first word.

Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.

Select the set in which the numbers are related in the same way as are the numbers of the following set.

(13, 32, 21)

Select the option that is related to the third term in the same way as the second term is related to the first term.

Select the option that is related to the third term in the same way as the second term is related to the first term.

1444: 38:: 676: ?

Given set:  [15, 117, 51]

If 5Ω9 = 90, 9Ω4 = 72 and 3Ω9 = 54, then find the value of 6Ω5 = ?