Jim's dog, Tucker, eats every hour on the hour and eats exactly half of the number of dog food pellets in his bowl. If Jim fills Tucker's bowl at 7:30 a.m. with 80 dog food pellets, what percent of the original 80 pellets will there be in Tucker's bowl at 11:30 a.m. of the same day? 2.75% 3.125% 6.2...

In a town of 8,000 residents, 65 percent of all residents own a car, 55 percent own a motorcycle, and 25 percent own neither a car nor a motorcycle. How many residents own a car but not a motorcycle? 800 1,600 2,000 3,600 4,400 now in this question, in the explanation we have calculated the number o...

Which of the following data sets has the third largest standard deviation? {1, 2, 3, 4, 5} {2, 3, 3, 3, 4} {2, 2, 3, 3, 5} {0, 2, 3, 4, 6} {1, 3, 4, 5, 7} It is asked to point out the third largest set with SD? The last 2 have same SD, then the first and then the option3. Why do we take the last two...

Thanks!!!! Although i understand that using tables for such questions makes it easier, i personally don't like to use them. I'll try and get a hang of them before i write GMAT. Anyways, thanks for the replies. I got to know where i was going wrong. I think it was more because of burning out that day...

Thanks Mschwrtz!!

Its just that i never came across such a question.
Its was more of a knowledge gap than a doubt.

Thanks