Verbal Reasoning - Mental Ability Questions

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.
 
15 x 4 ÷ 35 - 70 + 16 = ?

$$\begin{gathered} If (─) stands for division, (+) stands for multiplication, (÷) stands for subtraction and \\ (×) stands for addition, which one of the following equations is correct? \end{gathered}$$

Nasir's birthday is on Thursday 18th May. On what day of the week will be Rehan's Birthday in the same year if Rehan was born on 19th August?

Find the wrong number in the series 28, 33, 31, 36, 34, 29

If A denotes −, C denotes ×, D denotes ÷, E denotes +, then 14C3A12E4D2=?

X and Y start from the same point. X walks 40 m north, then turns West and walks 80 m, then turns to his right and walks 50 m. At the same time, Y walks 90 m North. Where is Y now with respect to the position of X?

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

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

SAY, TDD, UGI, VJN, ?