Questions

Given two trains of length = 180 mts + 180 mts 

The distance is = Length of trains = 360 mts 

Speed = 58 - 50 = 8 kmph x 5/18 m/s

Then, Time = dis/speed = (360x18) / (8x5) = 162 sec.

The organ which filters blood in human body are kidneys.

HR-Human Resources:

To be a good HR person we need to have excellent  communication skills,interpersonal skills, good friendly attitude, talkative, decision-making skills etc.

An HR is the backbone of a  company. Right from recruiting the suitable person to training and then efficiency appraisal and then compensation and then exit interview...everything every step involves an HR.

So, if you wish to be a soul of the company not just a part of it, you should be an HR.

The clotting of blood is a chain reaction initiated by the enzyme thrombokinase produced by the platelets. This causes prothrombin to be converted into thrombin in the presence of Ca++ion.

Thrombin combines with fibrinogen  to produce fibrin threads which entangles the corpuscles to form the clot.