In a row of children facing north,Manish is fourth to the left of Suresh,who is tenth from the left end. Nisha is second to the right of Suresh and eighth from the right end of the row. Total how many children are there in the row?

$A$ square field $ABCD$ of side $90 \,m$ is so located that its diagonal $AC$ is from north to south and the corner $B$ is to the west of $D$. Rohan and Rahul start walking along the sides from $B$ and $C$ respectively in the clockwise and anticlockwise directions with speeds of $8 \,km/hr$ and $10 \,km/hr$. Where shall they cross each other the second time?

Anil's house faces east. From the back-side of the house,he walks straight $50 \,m;$ then turns to the right and walks $50 \,m$ again. Finally,he turns towards left and stops after walking $25 \,m$. Now Anil is in which direction from the starting point?

Rasik walks $20 \, m$ North. Then he turns right and walks $30 \, m$. Then he turns right and walks $35 \, m$. Then he turns left and walks $15 \, m$. Then he again turns left and walks $15 \, m$. In which direction and how many metres away is he from his original position?

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

If the above clock is turned through an angle of $135^{\circ}$ in an anticlockwise direction,in which direction will its minute hand point at $8.45 \, p.m.$?