Question

Please help:)

Answer 1

@apoorvk Plz help:)

Answer 2

Use the right hand-thumb rule! (and the fact that a cross product is perpendicular to it's 'constituent' vectors)

Answer 3

but it will be perpendicular in two sides.
one in east & second one in west:(

Answer 4

I m not getting it:(

Answer 5

Using your right hand, point your thumb up and your index-finger North.
Then your middle-finger will point West.

Answer 6

k! thanx I got it:)