d _ _td_s_d_st

In each of the following question , find the missing letters from the given response.
HIIJ, IJJK, JKKL,  KLLM,  LMMN, ?

Choose the word from the following options that cannot be formed using the letters of the given word.
FRAMEWORK

Gullu walked 18 meters to the south, and then walked 25 meters to the west, then 28 meters to the east. Which direction is he facing now?

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 

How Many such vowels are there in the above arrangement each of which is immediately followed by a numeral and immediately preceded by a consonant?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
m_ane_nma_men_eam_an