2024 GMAT Official Practice Exams 1 and 2: Video Explanations
This page organizes video explanations to all of the quantitative reasoning and data insight questions that are part of the database of questions in the two free GMAT Official Practice Exams 1 and 2.
Please use the first few words to search on this page to locate the question number that matches with the question that you may have encountered in your official practice test. Once you have the question number listed on this page, you can go to that specific video in the playlist that is organized below.
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Q05: For positive integers M and N, if 24 is a..
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Q21: If x is a multiple of 18 and 60…
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Q26: If x=-1 and if n is the sum of the first 404 prime…
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Q49: The value of $(\sqrt{(8!)}+\sqrt{(9!)})^2$…
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Q83: When positive integer x is divided by 5…
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Q89: If x is a k-digit integer and x=…
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Q101: If r and s are positive prime numbers…
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Q04: If $x = \sqrt{\displaystyle \frac{25}{16}}$, what is…
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Q08: On June 8, 2008, a computer set a speed record by completing…
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Q09: If a and b are, respectively, the least and greatest nonnegative…
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Q11: In 1998, Jean’s annual salary was greater than Kevin’s…
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Q15: Given that 1 acre and 4,840 square yards are equal areas…
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Q24: For which year between 1980 and 2008, inclusive, does the fee…
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Q25: $\displaystyle \frac{\frac{1}{\sqrt{2}}}{\sqrt \frac{3}{2}}$…
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Q28: On the number line shown, the tick marks are equally spaced…
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Q32: What percent of Country M’s total budget of 1.3 trillion…
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Q35: The nearest star outside our solar system is approximately…
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Q36: The tick marks on the number line shown are equally…
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Q44: What is the greatest integer that is…
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Q54: On the number line, which of the following specifies the…
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Q56: If k is an integer and $10^{k-1}$…
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Q59: A certain law firm has 28 lawyers and has…
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Q60: Of the 190 bicycle stores in a certain region…
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Q65: Which of the numbers $\displaystyle \frac{\sqrt{5}}{2},…$
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Q72: For today’s training session, a cyclist rode 50…
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Q76: Which of the following is equal to $\displaystyle \frac{1}{6}(48)^7$…
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Q77: Which of the following is the value of $\displaystyle \frac{1}{\sqrt{2}+1}+$…
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Q87: Which of the following is equal to $\sqrt{6}-\sqrt{2}$…
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Q88: $4^{-3}-4^{-5}$…
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Q91: Which of the following expressions equals 0…
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Q93: Which of the following equals 5000…
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Q97: Which of the following is equivalent to $2^{p} \times $…
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Q01: What is the product of the solutions of $(x+2)^2=$..
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Q02: Marie wishes to enclose a rectangular region…
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Q12: The range of a function is the set of all possible…
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Q16: $99,999^2-1^2$…
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Q22: If $\sqrt{1+\sqrt{1+\sqrt{x}}}=$…
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Q31: A certain economic indicator is proportional to the square…
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Q33: Suppose that x=-2 is the only real number that…
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Q37: If x and y are positive real numbers, the operation $\bigtriangleup$…
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Q58: Which of the following is a value of x for…
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Q61: The domain of the function $f(x)=\sqrt{…}$
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Q71: While rewriting a quadratic equation into the form…
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Q75: If $x \gt y \gt 0$, which of the following…
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Q79: If (x+1)(y+1)$\neq 0$, $y =\displaystyle \frac{1}{x+1}…$
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Q84: Step 1: Multiply x by 3…
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Q85: If $a=\sqrt{2}-1$ and $b=1$…
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Q90: Of the k vehicles parked in a certain…
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Q94: The domain of the function $f(x)=\sqrt{x-1}$…
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Q98: The operation $\square$ is defined for all a and b…
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Q102: The function f is defined for all positive…
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Q03: Tracy and Lee are installing tile on floor of a…
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Q06: A store sold 60 percent of the hats from a shipment…
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Q10: In a certain nursery, 15 percent of the plants developed a fungus…
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Q13: Of the 400 employees in a certain office, 260 have been given…
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Q14: At a recent sale, Harue bought various numbers of 5 types…
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Q17: Next year, if Company Q produces x units of a certain product…
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Q18: The table above represents 100 people grouped by their blood…
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Q19: An executive has estimated than an advertisement will…
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Q20: One year ago a window washing service charged…
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Q23: Sharon and Ramla frequently mow their grandfather’s yard…
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Q29: It would take 120 minutes for a leaky cold-water faucet to…
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Q34: Water flows into an empty swimming pool at a constant rate…
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Q38: Yuriko drove from Ashland to Bayville at an average rate of 40…
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Q40: The cost of a mixture that contains candy-coated chocolate…
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Q41: Alfredo invested a total of $33,000 in 2 accounts…
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Q43: During a certain year, 80 percent of the visitors…
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Q45: Bob expected to spend a total of $9.00 to buy…
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Q47: City A and City B are located 610 kilometers (km) apart…
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Q50: A piece of tape 14 inches long was cut into…
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Q51: Store S’s gross profit from a certain product is 40…
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Q52: The“rule of 72” states that to approximate the…
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Q53: Marco paid $9,000 for 2 used autombiles…
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Q64: Karina is deciding whether to use Brand A…
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Q66: For the rental of a certain type of car…
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Q68: A certain state charges no sales tax on food…
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Q78: A promotional video that lasts $w$ minutes has 3…
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Q80: The table gives three factors to be considered when…
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Q81: A certain amount of 8% copper ore was mixed…
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Q86: Right Way house painting charges its customers…
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Q92: In a survey of sales of soft drinks…
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Q95: Of the employees at a certain company, 60 percent…
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Q100: In traveling from home to a certain beach…
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Q07: The harmonic mean of n numbers is the reciprocal of…
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Q27: The range for a set of measurements is 24.7. If 6 were added…
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Q30: In a set of 5 measurements with an average (arithmetic mean)…
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Q62: The average (arithmetic mean) of the 5 positive…
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Q74: the average age of 3 brothers is 18 years…
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Q39: A certain identification code consists of 6 digits, each of…
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Q46: A box contains exactly 7 fuses, 3 of which…
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Q57: If events E and F are independent and each has…
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Q63: If n is a positive integer, which of the following…
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Q67: All of the telephone extensions in a certain…
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Q69: If a committee of 3 men and 3 women…
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Q96: If 5 integers are to be selected at random…
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Q99: A music teacher is preparing for a recital in…
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Q48: If S is the sum of all the numbers of the form…
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Q55: The string of digits 135791113…
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Q70: For each positive integer k, let $a_k=7k$. Which of…
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Q73: For each positive integer n, let $n^{\star}=(2)(4)(6)…$
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Q82: In the sequence $a_1, a_2, a_3,\ldots, a_{n} \ldots$, the terms…
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Q03: When all the boxes in a warehouse were arranged…
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Q28: How many crayons are in a certain…
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Q05: The original price of a computer was increased by…
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Q24: The velocity, V feet per second, of a model rocket..
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Q02: If Jamal drove 240 kilometers, what was his…
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Q06: A gourmet cheese shop sold several orders of English…
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Q08: Juana mailed at least one leter on each day…
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Q09: Kylie invested a certain amount of money at r%…
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Q10: Of the apartments in a certain building, 75 have…
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Q12: Last year in Country X, 15% of all students who…
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Q16: The 50 participants of a management training seminar…
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Q17: Sheldon left his house at 8:30 a.m. and drove…
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Q18: Janet purchased a house and later sold it at…
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Q19: A bank has 2 paper shredding machines, one large…
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Q21: Iris delivered newspapers for 7 consecutive weeks…
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Q23: Yesterday Wanda prepared several shipments of…
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Q27: A cable company sells exactly 3 service packages…
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Q29: The cost of a certain school trip was $16…
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Q01: Last week a certain comedian had an audience…
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Q04: What was the median of the daily numbers of phone…
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Q11: Each of the 20 people working in a certain office…
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Q13: Kevin, Leo, and Max each received a monetary award…
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Q14: On a recent test taken by 21 students, each…
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Q15: Jan and 5 of his friends sold candy bars to…
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Q22: Of the people who donated money to a certain local…
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Q25: What was the median monthly number of gallons…
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Q26: In a class of 21 students, how many scored…
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Q07: A nut is to be selected at random from a certain …
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Q20: Each dinner at Restaurant X includes a pair of side…