Verbal Reasoning - Mental Ability Questions

Find the odd word/letters/number from the given alternatives.

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

If P denotes multiply, T denotes subtraction, M denotes addition, B denotes division then 28B7P8T6M4 = ?

If 15#2 = 26, 11#3 = 16 and 10#9 = 2, then find the value of 11#4 = ?

If 'WZB' stands for 'DAY', how will you code 'MONDAY'?

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
ERADICATE

Select the related letters from the given alternatives.
WUV : TRS :: QOP : ?

If 8%5 = 30, 9%2 = 70 and 1%4 = -30, then find the value of 2%5 = ?