Verbal Reasoning - Mental Ability Questions

In the following question, by using which mathematical operators will the expression become correct?
30 ? 6 ? 4 ? 5 ? 4

If "A" means "plus", "B" means "divide", "C" means "multiply" and "D" means "minus", then 187 B 17 C 4 A 7 D 17 = ?

Arrange the given words in the sequence in which they occur in the dictionary.
i. nature
ii. nest
iii. numeric
iv. news

Arrange the given words in the sequence in which they occur in the dictionary.

1. Soften
2. Sterilize
3. Stick
4. Sterile
5. Status

If the second half of the given series is reversed, then what will be the fifth term to the left of the ninth term from the right?

9$YX8N6OLBUJZT@1QFD%

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

DE, HI, LM,?

Findout the odd word/letters/number/number pair from the given alternatives.

In the following question, select the related letters from the given alternatives.
JQXE : LSZG : : MTNL : ?