From the given alternatives select the word which cannot be formed using the letters of the given word
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deb, ijg, nol, ? , xyv 

bc, cde, de, efg, fg, ? 

Direction: From the given alternatives select the word which cannot be formed using the letters of the given word. 
INDETERMINATE 

Direction: Study the following arrangement carefully and answer the given question below. 

S D 9 5 E # K 6 T I 8 P 1 % A 2 C λ L M U3 W @ N 4 © J $ 7 F B 

What should come in place of the question mark (?) in the following series based on the above arrangement?
#K5 P1I CλA ?

Direction: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it.
a_b_ba_b_ ba