Verbal Reasoning - Mental Ability Questions

In the following question, by using which mathematical operators will the expression become correct?
27 ? 9 ? 18 ? 24 ? 12

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%

Which number will complete the series?
1,8,27,64,125,216,________

F is the Father of S and D. D's Paternal aunt's daughter is E. How is F related to E?

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

If 14 % 32 = 46, 52 % 20 = 72 then what is the value of 35 % 14 = ?

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

PMT, OOS, NQR, MSQ, ?

Arrange the given words in the sequence in which they occur in the dictionary.
1. Ball
2. Balanced
3. Balls
4. Balance
5. Balancing