Questions

Tips : 

The leader's role is :

To communicate the strategic vision to management with clarity

 To translate the vision into concrete direction and plans

To identify and communicate priorities, short term objectives, timelines, performance measures, clear accountabilities and performance agreements to management;

 To provide quality judgment and advice.

The atmospheric pressure at the surface of the Earth is due to gravitational pull of the earth and is about 14.7 psi.

That means that the weight of a column of air which has a cross section of 1 square inch and which stretches from the surface of the Earth to space is 14.7 pounds. 

Here in the given number puzzle, the logic is

column 2 x column 3 = column 1

3 x 3 = 9

2 x 3 = 6

Similarly,

4 x ? = 8

=> ? = 8/4 = 2.

Except Rock color, all other Graded bedding, Ripple marks and Mud cracks are sedimentary structures.