Verbal Reasoning - Mental Ability Questions

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

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

Raju introduces Yash by saying, "He is the husband of the granddaughter of my grandmother's husband". How is Yash related to Raju?

In the following question, select the related word pair from the given alternatives.
Canada : Ottawa : : ? : ?

Choose the best suitable Venn diagram for the following words: transport vehicle, truck, van

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

WYV, ? , IKH, BDA

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

13 - 14 + 15 x 70 ÷ 14 = ?

Kamal starts walking from his home facing west direction. After walking 10 km he takes a right turn and walks another 10 km. He takes another right turn and walks 10 km to reach his school. How far (in km) and in which direction is he from his home?