List of top Quantitative Aptitude Questions

Larry's Lawn Service charges $w/hour for the first x hours of grass trimming, then w + 2 dollars for every hour of work over x hours. How much more will a homeowner be charged for a grass trimming job that took z hours if z>x than for a job which took only w hours if x<w<z?
For which of the following functions g is g(z) = g(1-z) for all z?
\( \frac{0.0027 \times 10^x}{0.09 \times 10^y} = 3 \times 10^8 \)
What is the value of y less than x?
Which of the following is NOT a possible value of \( \frac{1}{4 - x} \)
\(\sqrt{100} - \sqrt{36}\) =
If the total cost of 5 pencils and 3 erasers is \$3.75, and the total cost of 4 pencils and 5 erasers is \$3.50, what is the price of one pencil?
(1) The price of an eraser is \$0.25.
(2) The price of 5 pencils and 3 erasers is \$3.75.
If a shirt costs \$30 after a 20% discount, what was the original price?
A store sells 12 pens for \$15. How much will 30 pens cost at the same rate?
A farmer sells apples at \$2 per apple. How much would 24 apples cost?
Lloyd normally works 7.5 hours per day and earns \$4.50 per hour. For each hour he works in excess of 7.5 hours on a given day, he is paid 1.5 times his regular rate. If Lloyd works 10.5 hours on a given day, how much does he earn for that day?
Coins are to be put into 7 pockets so that each pocket contains at least one coin. At most 3 of the pockets are to contain the same number of coins, and no two of the remaining pockets are to contain an equal number of coins. What is the least possible number of coins needed for the pockets?
One hour after Yolanda started walking from X to Y, a distance of 45 miles, Bob started walking along the same road from Y to X. If Yolanda's walking rate was 3 miles per hour and Bob's was 4 miles per hour, how many miles had Bob walked when they met?
Find the value of \( \sqrt{11 + \sqrt{72}} + \sqrt{11 - \sqrt{72}} \)
An unfair dice consisted of two faces with 1 on them, two faces with 2 on them, and one face each of 3 and 5 on them. If the dice is rolled thrice, then what is the probability that the sum of the three rolls is greater than or equal to 11?
In a class of 150 students, the average weight is 42 kg. If the number of girls increases by 50% and the number of boys becomes two-thirds of its original value, while keeping the total number of students the same, the new average weight of the class becomes 43 kg. It is also observed that the average weight of boys and girls remains the same as before. Find the sum of the average weights of boys and girls.
A beaker contains a solution in which the concentration of milk is 80%. On the addition of some water, this ratio of milk to water becomes 8:5. On replacing 39 L of this solution with pure milk, the ratio of milk to water changes to 9:4. What is the volume of water added initially?
In a college there are 150 students out of which 60% of the students play cricket, 30% of the students play football and 40% of the students play hockey. If it is know that no student plays all three sports and all the students play at least one sport, then what is the number of students that play exactly one sport?
Alex has two children - Ben and Chloe. The current age of Alex is 4 times that of Ben. 4 years later, the age of Alex is 4 times that of Chloe. What is the age difference between Ben and Chloe?
If a and b are positive integers satisfying \(4a + 3b = 17\) and \( \frac{(5ab)!}{3^p} \) is an integer, then the maximum value of p is
Two trains, P and Q, pass a pole in 40 seconds and 2 minutes 20 seconds, respectively. If the length of train P is two-thirds that of train Q, what is the ratio of the speed of train P to that of train Q?
A merchant sold a car at 60% of the marked price and obtained a loss of 20%. If the cost price of the car is three times the cost price of the bike, then what should be the selling price of the bike to make a profit of 20%?
You purchase a car making a down payment of 3,000 and 6 monthly payments of $225. How much have you paid so far for the car?
You need to purchase a textbook for nursing school. The book cost 80.00, and the sales tax where you are purchasing the book is 8.25%. You have $100. How much change will you receive back?
If \( 1 < x < y < z \), which of the following has the greatest value?
The price of a candy bar is 1.00. The price of a ten pack of the same candy bar is 7.40. The ten pack of candy bars is what percentage cheaper then purchasing ten candy bars individually?