Verbal Reasoning - Mental Ability Questions

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

56 ÷ 8 + 12 - 72 = ?

If "*" denotes "added to", "&" denotes "divided by", "@" denotes "multiplied by" and "%" denotes "subtracted from", then 135 & 15 @ 10 % 3 * 6 = ?

Sumitra remembers that her mother's birthday is after 13th February but before 16th February but her brother remembers that his mother's birthday is after 14th February but before 17 th February. On which date Sumitra's mother's birthday will be celebrated?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
KV, LU, MT, ?

In the following series, one letter is missing as shown by the ?. Select the missing letter from the given options.

Q, N, K, H, ?

In a certain code language, "BAD" is written as "7" and "SAP" is written as "9". How is "BAN" written in that code language?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
MN, PQ, TU, YZ, ?

When Anil saw Manish, he recalled "he is the son of the father of my wife". Who is Manish to Anil?