noun, plural: filtrations. (1) The movement of water and solutes across the cell membrane due to hydrostatic pressure from the cardiovascular system. (2) The process of separating suspended particles from the fluid through a porous material in which the fluid can pass while the suspended particles are retained.
I think a good typing speed if you need to type a lot would be ideally 80 wpm and minimum 60 wpm. Anything lower than 60 and you'd struggle typing longer texts. I suggest you try TypeRacer - the global typing competition or simply practice touch typing on one of the free typing softwares.
So you will have to be careful how you will distribute your attention. But if you practice with our test long enough, you will have this part taken care of and you could focus on more difficult issues. Keep in mind that a data entry test KPH (keystrokes per hour) is not the same thing as WPM (words per minute). If you need to make an idea on how to convert the two units in order to calculate your approximate speed, the usual standard typing conversion is 5 keystrokes per word. So 100 Data Entry KPH Test will be around 20 words.