Write code using the range function to add up the series 20, 30, 40, ... 90 and print the resulting sum each step along the way.
Example Output
20
50
90
140
200
270
350
440

Assume that there is a 4% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

Aman travel 200m towards east< br /> from his house then takes left< br /> to turn and moves 200 m north< br /> find the displacement & distance.< br />

Write c++programs for the following problem: let the user enter two numbers and display which is greater. !