Nitin correctly remembers that Nidhi's birthday is after Tuesday but before Friday. Derek correctly remembers that Nidhi's birthday is after Wednesday but before Saturday. On which of the following days does Nidhi's birthday definitely fall?

Point $D$ is $14 \,m$ towards the West of point $A$. Point $B$ is $4 \,m$ towards the South of point $D$. Point $F$ is $9 \,m$ towards the South of point $D$. Point $E$ is $7 \,m$ towards the East of point $B$. Point $C$ is $4 \,m$ towards the North of point $E$. Point $G$ is $4 \,m$ towards the South of point $A$. Which of the following points are in a straight line?

One evening before sunset,two friends,Sumit and Mohit,were talking to each other face to face. If Mohit's shadow was exactly to his right side,which direction was Sumit facing?

If 'South-east' is called 'East','North-west' is called 'West','South-west' is called 'South' and so on,what will 'North' be called?

Ravi wants to go to the university. He starts from his home,which is in the East,and comes to a crossing. The road to the left ends in a theatre,and straight ahead is the hospital. In which direction is the university?

$A$ man is facing north-west. He turns $90^{\circ}$ in the clockwise direction,then $180^{\circ}$ in the anticlockwise direction,and then another $90^{\circ}$ in the same direction. Which direction is he facing now?