Element mobile in plant but immobile in soil

Select the option in which the numbers are not related in the same way as are the number of the following set.

(10, 23, 40)

If 32 @ 10 = 32 and 42 @ 30 = 76, then 28 @ 56 = '?'.

Select the option that can replace the question mark (?) in the given figure and complete the pattern (rotation is NOT allowed)

Given set:  [15, 117, 51]

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

RIGHT: WLTKW:: SMEAR: [?]

If K = 22, KIT = 80, then ‘KITE’ will be equal to?

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

NIL: SNQ :: GAP: ?

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

Joy: Delight :: Barrier: ?