Verbal Reasoning - Mental Ability Questions

Below question has with a part of it underlined. The question is followed by four alternatives to replace the underlined part of the sentence. Choose the best alternative which is grammatically correct.

In this particular job we have discovered that to be diligent is more important than being bright.

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?
_qr_srq_p_rs_r_p

In the following question, a matrix of certain characters is given.These characters follow a certain trend, row-wise or column wise.Find out this trend and choose the missing character accordingly.

Choose the number which is different from others in the group?

Which of the following statements is/are TRUE?

$$\begin{gathered} I. 235<325<543 \\ II. 325<233<745 \end{gathered}$$

Oar is to rowboat as foot is to

Priya cycles 5 km North, then turns East and cycles 4 km, then turns South and cycles 5 km, then turns to her right and cycles 6 km. Where is she now with reference to her starting position?

If the first and third letters in the word 'ANNIHILATION' are interchanged , also the second and fourth, the fifth and seventh and so on, then which of the following letter would be the 6th from the left?