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Re: single-family homes

Of the 230 single-family homes built in City X last year, how many were occupied at the end of the year? (1) Of all single-family homes in City X, 90 percent were occupied at the end of last year. (2) A total of 7,200 single-family homes in City X were occupied at the end of last year. Solution: Qu...

by [email protected]

Wed Jun 16, 2021 6:55 am
Forum: Data Sufficiency
Topic: single-family homes
Replies: 2
Views: 942

Re: Ratio problem?

Some computers at a certain company are Brand X and the rest are Brand Y. If the ratio of the number of Brand Y computers to the number of Brand X computers at the company is 5 to 6, how many of the computers are Brand Y? (1) There are 80 more brand X computers than Brand Y computers at the company...

by [email protected]

Wed Jun 16, 2021 4:54 am
Forum: Data Sufficiency
Topic: Ratio problem?
Replies: 3
Views: 1991

Re: Data sufficiency

A certain dealership has a number of cars to be sold by its salespeople. How many cars are to be sold? (1) If each of the salespeople sales 4 of the cars, 23 cars will remain unsold. (2) If each of the salespeople sales 6 of the cars, 5 cars will remain unsold. Solution: Question Stem Analysis: We ...

by [email protected]

Wed Jun 16, 2021 4:05 am
Forum: Problem Solving
Topic: Data sufficiency
Replies: 3
Views: 2034

Re: Ratio problem- checking my logic

What is the ratio of c to d? 1. The ratio of 3c to 3d is 3 to 4 2. The ratio c+3 to d+3 is 4 to 5 Solution: Question Stem Analysis: We need to determine the ratio of c to d, i.e., the value of c/d. Statement One Alone: We are given that (3c) / (3d) = 3/4. Cancelling the 3s on the left hand side, we...

by [email protected]

Wed Jun 16, 2021 4:00 am
Forum: Data Sufficiency
Topic: Ratio problem- checking my logic
Replies: 5
Views: 2640

Re: DS: 1

If Ann saves x dollars each week and Beth saves y dollars each week, what is the total amount that they save per week? (1) Beth saves $5 more per week than Ann saves per week. (2) It takes Ann 6 weeks to save the same amount that Beth saves in 5 weeks. Solution: Question Stem Analysis: We need to d...

by [email protected]

Wed Jun 16, 2021 3:32 am
Forum: Data Sufficiency
Topic: DS: 1
Replies: 6
Views: 1820

Re: A retailer purchased a television set for x percent less than it list price, and then sold it for y percent...

Source: GMAT Paper Tests A retailer purchased a television set for x percent less than its list price, and sold it for y percent less than it list price. What was the list price of the television set? 1) x = 15 2) x - y = 5 The OA is E Solution: Question Stem Analysis: We need to determine the list...


Re: What is the average (arithmetic mean) of \(x\) and \(y?\)

What is the average (arithmetic mean) of \(x\) and \(y?\) (1) The average of \(x\) and \(2y\) is 10. (2) The average of \(2x\) and \(7y\) is 32. [spoiler]OA=C[/spoiler] Source: Official Guide Solution: Question Stem Analysis: We need to determine the average of x and y, i.e., the value of (x + y)/2...


Re: What is the average (arithmetic mean) of \(x\) and \(y?\)

What is the average (arithmetic mean) of \(x\) and \(y?\) (1) The average of \(x\) and \(2y\) is 10. (2) The average of \(2x\) and \(7y\) is 32. [spoiler]OA=C[/spoiler] Source: Official Guide Solution: Question Stem Analysis: We need to determine the average of x and y, i.e., the value of (x + y)/2...


Re: is y greater than 75?

If y is greater than 110 percent of x, is y greater than 75? 1) x > 75 2) y-x = 10 Solution: Question Stem Analysis: We need to determine whether y is greater than 75, given that it’s greater than 110% of x. Statement One Alone: Since x > 75 and y > 1.1x, then y > 1.1(75) = 82.5. Since y > 82.5, th...

by [email protected]

Wed Jun 16, 2021 3:08 am
Forum: Data Sufficiency
Topic: is y greater than 75?
Replies: 4
Views: 1878

Re: In the rectangular coordinate system

https://s8.postimg.cc/5v3sheeu9/2016-10-06_1616.png In the rectangular coordinate system above, if ΔOPQ and ΔQRS have equal area, what are the coordinates of point R? (1) The coordinates of point P are (0, 12). (2) OP = OQ and QS = RS. The OA is C . Solution: Question Stem Analysis: We need to de...

by [email protected]

Tue Jun 15, 2021 9:41 am
Forum: Data Sufficiency
Topic: In the rectangular coordinate system
Replies: 3
Views: 697

Re: On the scale drawing of a certain house plan

On the scale drawing of a certain house plan,if 1 centimeter represents x meters,what is the value of x? (1) A rectangular room that has a floor area of 12 square meters is represented by a region of area 48 square centimeters. (2) The 15-meter length of the house is represented by a segment 30 cen...

by [email protected]

Tue Jun 15, 2021 9:37 am
Forum: Data Sufficiency
Topic: On the scale drawing of a certain house plan
Replies: 3
Views: 3376

Re: value of N???

What is the value of the integer N? (1) 101 < N < 103 (2) 202 < 2N < 206 Solution: We need to determine the value of N given that it is an integer. Statement One Alone: Since the only integer between 101 and 103 is 102, N = 102. Statement one alone is sufficient. Statement Two Alone: Dividing the i...

by [email protected]

Fri Jun 11, 2021 4:29 pm
Forum: Data Sufficiency
Topic: value of N???
Replies: 5
Views: 1585

Re: Did Insurance Company \(K\) have more than $300 million in

Official Guide Did Insurance Company \(K\) have more than $300 million in total net profits last year? 1. Last year Company \(K\) paid out $0.95 in claims for every dollar of premiums collected. 2. Last year Company \(K\) earned a total of $150 million in profits from the investment of accumulated ...


Re: A framed picture is shown above. The frame, shown shaded, is

Source: Official Guide https://i.postimg.cc/w1k21rxG/Image.png A framed picture is shown above. The frame, shown shaded, is 6 inches wide and forms a border of uniform width around the picture. What are the dimensions of the viewable portion of the picture? 1. The area of the shaded region is 24 sq...


Re: A triangle has side lengths of a, b, and c centimeters.

A triangle has side lengths of a, b, and c centimeters. Does each angle in the triangle measure less than 90 degrees? (1) The 3 semicircles whose diameters are the sides of the triangle have areas that are equal to 3 cm^2, 4 cm^2, and 6 cm^2, respectively. (2) c < a + b < c + 2 Solution: We need to...

by [email protected]

Fri Jun 11, 2021 3:43 pm
Forum: GMAT Math
Topic: A triangle has side lengths of a, b, and c centimeters.
Replies: 4
Views: 4437