GMAT Test practice questions, page 51 of 65, with answer review and explanations.
Question 251
Mike, Jim and Bob are all professional fisherman. Mike can catch 21 fish in one hour, Jim can catch twice as much and Bob can catch 50% more than Jim. If the three started to fish together and after 40 minutes Mike and Bob left, how many fish did the three fishermen catch in one hour?
64
72
86
98
112
Question 252
A certain church bell rings the bell twice at half past the hour and four times at the hour plus an additional number of rings equal to what ever time it is. How many rings will the clock make from 6:20 in the morning to 10:10 in the morning?
32
36
42
46
50
Question 253
A 75-liter solution of cool-drink is made from 8% jasmine water. If 3 liters of jasmine and 12 liters of water were added to the solution, what percent of the solution is jasmine?
10.3%
11.5%
10%
12.2%
12%
Question 254
A 340-liter solution of Kola is made from 88% water, 5% concentrated Kola and the rest is made from sugar. If 3.2 liters of sugar, 10 liter of water and 6.8 liters of concentrated Kola were added to the solution, what percent of the solution is made from sugar?
6%
7.5%
9.2%
10.5%
11%
Question 255
If the sum of six numbers is between 135 and 164, then the average (arithmetic mean) of the six numbers could be which of the following?