Well 5 1/4 hours is 5 hours and 15 minutes and 2/3 of 5 hours and 15 minutes or 315(5*60+15) is 210
hope it helped
We know, Volume of a Cylinder = πr² h/3
v = 3.14 * 4² * 6/3
v = 3.14 * 16 * 2
v = 100.48
In short, Your Answer would be Option B
Hope this helps!
My best Guess is
1.282 for upper . , -1.282 for lower.
Hope this Helps
-Dante