Experimental design in which two experimental errors are

If ‘534’ = ‘50’, ‘758’ = ‘138’, ‘3156’ = ‘71, then ‘4738’ = ?

Select the related word/letters/number from the given alternatives.

AC : ZX :: GJ : (?)

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

Three of the following letter-clusters are alike in some manner and hence form a group. Which letter-cluster does not belong to that group?

Find the word that is related to the third term in the same way as the second term is related to the first term.

Black : Sorrow ∷ Red : ?

If 'PER' = '16518' and 'PERT' = '1651820', then ' PERCENT ' =

CANVAS : DCQZFY : : LOANER : ?