Search found 15374 matches


Re: 8 cities, including Memphis, are finalists to be chosen to host a political convention. Exactly one city will be cho

8 cities, including Memphis, are finalists to be chosen to host a political convention. Exactly one city will be chosen to host the convention. What is the probability that Memphis is not chosen? (1) The probability that any one of the 8 cities does not win the competition is 7/8. (2) The probabili...


Re: A publisher printed 50,000 copies of a book. All but 500 copies were sold. Of the books sold, 10 percent were sold a

A publisher printed 50,000 copies of a book. All but 500 copies were sold. Of the books sold, 10 percent were sold at half price, and the remaining copies were sold at the full price of $20. What was the publisher's total revenue? a) $859500 b) $940500 c) $950000 d) $999500 e) $1050000 OA B Source:...


Re: Is x^3 equal to 125 ?

Is x^3 equal to 125 ? (1) x > 4 (2) x < 6 Answer: E Source: Princeton Review Target question : Is x^3 equal to 125 ? REPHRASED target question : Does x = 5? When I scan the two statements, they both feel insufficient, AND I’m pretty sure I can identify some cases with conflicting answers to the tar...

by [email protected]

Tue Mar 02, 2021 9:38 am
Forum: Data Sufficiency
Topic: Is x^3 equal to 125 ?
Replies: 1
Views: 64

Re: Flor is choosing three of five colors of paint to use for her art project at school. Two of the colors, Green and Ye

Flor is choosing three of five colors of paint to use for her art project at school. Two of the colors, Green and Yellow, cannot both be selected. How many different ways can Flor choose the colors for her project? A. 7 B. 9 C. 10 D. 13 E. 17 OA A Source: Princeton Review When the answer choices ar...


Re: In the decimal representation of x, where 0 < x < 1, is the tenths digit of x nonzero?

Source: GMAT Prep In the decimal representation of x, where 0 < x < 1, is the tenths digit of x nonzero? 1) 16x is an integer 2) 8x is an integer The OA is B Target question : Is the tenths digit of x nonzero? This is a good candidate for rephrasing the target question. Aside: Here’s a video with t...


Re: If n = (33)^43 + (43)^33 what is the units digit of n?

If n = (33)^43 + (43)^33 what is the units digit of n? A. 0 B. 2 C. 4 D. 6 E. 8 Answer: A Source: official guide Look for a pattern 33^1 = 3 33^2 = (33)(33) = --- 9 [aside: we need not determine the other digits. All we care about is the units digit] 33^3 = (33)(33^2) = (33)(---9) = ---- 7 33^4 = (...


Re: The present ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase

The present ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and the number of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers? (A) 5 (B) 8 (C) 10 (...


Re: If the two floors in a certain building are 9 feet apart, how many steps are there in a set of stairs that extends f

Source: Official Guide If the two floors in a certain building are 9 feet apart, how many steps are there in a set of stairs that extends from the first floor to the second floor of the building? 1) Each step is 3/4 foot high 2) Each step is 1 foot wide The OA is A It helps to first recognize that ...


Re: A box contains only red chips, white chips, and blue chips. If a chip is randomly selected from the box, what is the

Source: Official Guide A box contains only red chips, white chips, and blue chips. If a chip is randomly selected from the box, what is the probability that the chip will be either white or blue? 1) The probability that the chip will be blue is 1/5 2) The probability that the chip will be red is 1/...


Re: Judy is 26 years old and Diane is 5 years old. In how many years will Judy be twice as old as Diane?

Judy is 26 years old and Diane is 5 years old. In how many years will Judy be twice as old as Diane? A. 16 B. 19 C. 21 D. 24 E. 26 Answer: A Source: Princeton Review Let x = the number of years until Judy is twice as old as Diane So, 26 + x = Judy's age in x years And 5 + x = Diane's age in x years...


Re: If a rectangular photograph that Is 10 inches wide by 15 inches long Is to be enlarged so that the width will be 22

If a rectangular photograph that Is 10 inches wide by 15 inches long Is to be enlarged so that the width will be 22 inches and the ratio of width to length will be unchanged, then the length, in inches, of the enlarged photograph will be (A) 33 (B) 32 (C) 30 (D) 27 (E) 25 Answer: A Source: official...


Re: Is integer d even?

Is integer d even? (1) d/4 is an odd integer. (2) d - 3 is divisible by 5. Answer: A Source: Princeton Review Target question : Is integer d even? Statement 1 : d/4 is an odd integer. All odd integers can be written in the form 2k + 1 , where k is an integer So we can rewrite statement 1 as follows...

by [email protected]

Fri Feb 26, 2021 6:03 am
Forum: Data Sufficiency
Topic: Is integer d even?
Replies: 1
Views: 64

Re: The numbers in which of the following pairs do NOT have a pair of distinct prime divisors in common ?

The numbers in which of the following pairs do NOT have a pair of distinct prime divisors in common ? A. 10 and 20 B. 12 and 18 C. 24 and 32 D. 21 and 63 E. 22 and 88 Answer: C Source: official guide A. 10 and 20 10 = ( 2 )( 5 ) 20 = ( 2 )(2)( 5 ) So, 10 and 20 both have 2 as a prime divisor, and t...


Re: Gita is 12 years older than Harvey. In 4 years, Gita will be twice as old as Harvey. How old will Harvey be in 3 yea

Magoosh Gita is 12 years older than Harvey. In 4 years, Gita will be twice as old as Harvey. How old will Harvey be in 3 years? A. 5 B. 11 C. 15 D. 19 E. 23 OA B Gita is 12 years older than Harvey. Let x = Harvey's PRESENT age Let x + 12 = Gita's PRESENT age In 4 years, . . . . x + 4 = Harvey's age...


Re: A merchant paid \(\$300\) for a shipment of \(x\) identical calculators. The merchant used \(2\) of the calculators

A merchant paid \(\$300\) for a shipment of \(x\) identical calculators. The merchant used \(2\) of the calculators as demonstrators and sold each of the others for \(\$5\) more than the average (arithmetic mean) cost of the \(x\) calculators. If the total revenue from the sale of the calculators w...