A package is dropped from an air balloon two times. In the first trial the distance between the balloon and the surface is h and in the second trial 4h. Compare the time it takes for the package to reach the surface in the second trial to that in the first trial?.

Abag contains even and odd numbered balls in the ratio of 3: 7, respectively. for each of the following, what is the probability of drawing an even-numbered ball? the total number of balls is 240 and 30 of the odd-numbered balls are renumbered by multiplying the numbers by 4.