Verbal Reasoning - Mental Ability Questions

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

Smart, Aspire, Castle, Abysmal, Accost, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
A, C, F, H, K, ?

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

8 - 14 + 7 x 10 ÷ 9 = ?

Select the missing number.

Select the related word/letters/number from the given alternatives.
TU : MN : : JK : ?

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

isobar, artist, statute, teapot, otters, ?

In the following question, select the related letter from the given alternatives.
DE : O : : AF : ?

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