GMAT Quantitative Reasoning Practice Set 2

In a claw machine, the probability of NOT getting a stuffed animal is 55%. The probability of NOT getting a doll is 70%. If no doll is a stuffed animal and no stuffed animal is a doll, what is the probability of getting a stuffed animal or a doll in the claw machine?

Alice is keeping pitching stats for her softball team. In a certain game, the ratio of strikes to balls pitched was 2:5. Which of the following could not be the total number of pitches thrown during the game?

Three positive integers are chosen at random from a list ranging from 2 to 100, with the next number being a greater value than the previous. We know that a < b < c. Which of the following is a true statement?

1. (ab – c) < (bc – a)
2. (b / a) > (b / c)
3. (b^c)^a < (c^b)^a

Jason works in both a laundromat and a gas station. In a 45-day period, he worked at the laundromat 5/18 of the days, and he did not work for 1/3 of the days. The rest of the days he spent working at the gas station. If one day is equivalent to an 8-hour shift, how many hours did Jason work at the gas station during this period?

If 4x² – 4x – 8 = 0 and 2p² + p – 10 = 0, what is the sum of all solutions for p and g?

A Pair of bowling balls and three shirts costs $187.50. Three bowling balls and eight shirts cost $325. What is the cost of six shirts?

What is ∠y+∠x?

If the points (a,2a) and (3a,6a) lies on the line L then which of the following is the line perpendicular to line L?

A school administrator is organizing a field trip for 380 students. She decides that the ratio of students to chaperones needs to be no more than 4:1. The charter bus company states that each bus can accommodate 64 individuals. Each bus has a flat rate of $200, and a surcharge of $2 per student and $3 per chaperone. What is the total cost of the charter?

The lecture hall is 35% full. A group of fourteen enter the hall and take their seats. The hall is now 42% full. How many people will still be in the hall if 17 people leave?