Search found 1449 matches
If 5 is approximately equal to 2^(2.322), which of the follo
GMATH practice exercise (Quant Class 12)
Answer: [spoiler]_____(B)___[/spoiler]
- by fskilnik@GMATH
Sun Mar 17, 2019 10:43 am- Forum: Problem Solving
- Topic: If 5 is approximately equal to 2^(2.322), which of the follo
- Replies: 1
- Views: 637
If quadrilaterals ABCD and ADEF have the same areas, is AF &
GMATH practice exercise (Quant Class 15) https://i.postimg.cc/hGP6RWVW/15-Mar19-3w.gif If quadrilaterals ABCD and ADEF have the same areas, is AF > 28 ? (1) EF = 10 (2) CE = 24 https://i.postimg.cc/fTD6f9kR/15-Mar19-10q.gif $${S_{{\mathop{\rm ABCD}\nolimits} }} = {S_{{\rm{ADEF}}}} = {S_{{\rm{ADEG}}...
- by fskilnik@GMATH
Sun Mar 17, 2019 6:09 am- Forum: Data Sufficiency
- Topic: If quadrilaterals ABCD and ADEF have the same areas, is AF&a
- Replies: 1
- Views: 519
If quadrilaterals ABCD and ADEF have the same areas, is AF&a
GMATH practice exercise (Quant Class 15)
If quadrilaterals ABCD and ADEF have the same areas, is AF > 28 ?
(1) EF = 10
(2) CE = 24
Answer: [spoiler]______(C)__[/spoiler]
- by fskilnik@GMATH
Fri Mar 15, 2019 9:45 am- Forum: Data Sufficiency
- Topic: If quadrilaterals ABCD and ADEF have the same areas, is AF&a
- Replies: 1
- Views: 519
If N is a positive two-digit integer, is N+1 prime?
GMATH practice exercise (Quant Class 16) If N is a positive two-digit integer, is N+1 prime? (1) The sum of the digits of N is equal to 11. (2) N-1 is divisible by 7. Thank you both (Mitch and Ian) for your nice contributions! $$N = \left\langle {AB} \right\rangle $$ $$N + 1\,\,\mathop = \limits^? ...
- by fskilnik@GMATH
Thu Mar 14, 2019 12:43 pm- Forum: Data Sufficiency
- Topic: If N is a positive two-digit integer, is N+1 prime?
- Replies: 4
- Views: 767
GMATH practice exercise (Quant Class 14) What is the selling price (in dollars) of the HK11B-connector (a specific electronic widget) in Mrs. Tao´s store? (1) In Mrs. Tao´s store, the difference between the selling price of the HK11B-connector and the cost of this electronic widget is 500 dollars...
- by fskilnik@GMATH
Thu Mar 14, 2019 12:32 pm- Forum: Data Sufficiency
- Topic: What is the selling price (in dollars) of the HK11B-connecto
- Replies: 1
- Views: 457
If N is a positive two-digit integer, is N+1 prime?
GMATH practice exercise (Quant Class 16)
If N is a positive two-digit integer, is N+1 prime?
(1) The sum of the digits of N is equal to 11.
(2) N-1 is divisible by 7.
Answer: [spoiler]_____(A)__[/spoiler]
- by fskilnik@GMATH
Thu Mar 14, 2019 6:44 am- Forum: Data Sufficiency
- Topic: If N is a positive two-digit integer, is N+1 prime?
- Replies: 4
- Views: 767
What is the selling price (in dollars) of the HK11B-connecto
GMATH practice exercise (Quant Class 14) What is the selling price (in dollars) of the HK11B-connector (a specific electronic widget) in Mrs. Tao´s store? (1) In Mrs. Tao´s store, the difference between the selling price of the HK11B-connector and the cost of this electronic widget is 500 dollars...
- by fskilnik@GMATH
Thu Mar 14, 2019 6:09 am- Forum: Data Sufficiency
- Topic: What is the selling price (in dollars) of the HK11B-connecto
- Replies: 1
- Views: 457
GMATH practice exercise (Quant Class 20) https://i.postimg.cc/8cxcjYfy/13-Mar19-7z.gif If c is a nonzero constant such that x*f(x) = c, variables x and y=f(x) are said to be inversely proportional. If the dotted curve shown above, defined by the points (x,y) where x>0 and y=f(x), represents a relat...
- by fskilnik@GMATH
Wed Mar 13, 2019 10:48 am- Forum: Problem Solving
- Topic: If c is a nonzero constant such that x*f(x) = c, variables x
- Replies: 1
- Views: 454
GMATH practice exercise (Quant Class 2) https://i.postimg.cc/J7NbScJb/13-Mar19-3w.gif An airplane leaves city A to make a connection in city C, before going on to city B (as shown in the map). If the map scale is 1cm=100km, which of the following is closest to the minimum possible distance covered ...
- by fskilnik@GMATH
Wed Mar 13, 2019 10:31 am- Forum: Problem Solving
- Topic: An airplane leaves city A to make a connection in city C, be
- Replies: 1
- Views: 477
GMATH practice exercise (Quant Class 6) The number of candidates rejected in a certain admission process was four times greater than the number of candidates accepted. Which of the following could be the total number of candidates that applied for this admission process? (A) 726 (B) 727 (C) 728 (D)...
- by fskilnik@GMATH
Wed Mar 13, 2019 9:56 am- Forum: Problem Solving
- Topic: The number of candidates rejected in a certain admission pro
- Replies: 2
- Views: 504
If c is a nonzero constant such that x*f(x) = c, variables x
GMATH practice exercise (Quant Class 20) https://i.postimg.cc/8cxcjYfy/13-Mar19-7z.gif If c is a nonzero constant such that x*f(x) = c, variables x and y=f(x) are said to be inversely proportional. If the dotted curve shown above, defined by the points (x,y) where x>0 and y=f(x), represents a relat...
- by fskilnik@GMATH
Wed Mar 13, 2019 7:39 am- Forum: Problem Solving
- Topic: If c is a nonzero constant such that x*f(x) = c, variables x
- Replies: 1
- Views: 454
An airplane leaves city A to make a connection in city C, be
GMATH practice exercise (Quant Class 2) https://i.postimg.cc/J7NbScJb/13-Mar19-3w.gif An airplane leaves city A to make a connection in city C, before going on to city B (as shown in the map). If the map scale is 1cm=100km, which of the following is closest to the minimum possible distance covered ...
- by fskilnik@GMATH
Wed Mar 13, 2019 6:44 am- Forum: Problem Solving
- Topic: An airplane leaves city A to make a connection in city C, be
- Replies: 1
- Views: 477
The number of candidates rejected in a certain admission pro
GMATH practice exercise (Quant Class 6) The number of candidates rejected in a certain admission process was four times greater than the number of candidates accepted. Which of the following could be the total number of candidates that applied for this admission process? (A) 726 (B) 727 (C) 728 (D)...
- by fskilnik@GMATH
Wed Mar 13, 2019 4:12 am- Forum: Problem Solving
- Topic: The number of candidates rejected in a certain admission pro
- Replies: 2
- Views: 504
Number of diagonals = (number of ways to choose 2 vertices) - (number of sides of the polygon) Let´s connect Mitch´s nice argument with mine (above): $$d = C\left( {N,2} \right) - N = {{N!} \over {2!\left( {N - 2} \right)!}} - N = {{N\left( {N - 1} \right)} \over 2} - {{2N} \over 2} = {{N\left( {...
- by fskilnik@GMATH
Tue Mar 12, 2019 2:59 pm- Forum: Problem Solving
- Topic: Which of the following could be the number of diagonals of a
- Replies: 5
- Views: 656
[GMAT math practice question] Which of the following could be the number of diagonals of an n-polygon? A. 3 B. 6 C. 8 D. 12 E. 20 $$?\,\,\,:\,\,\,\# \,d\,\,\underline {{\rm{could}}\,\,{\rm{be}}} \,\,\,\,\left( {N \ge 3\,\,{\mathop{\rm int}} \,\,\left( * \right)\,,\,\,N{\rm{ - polygon}}} \right)$$ $...
- by fskilnik@GMATH
Tue Mar 12, 2019 2:34 pm- Forum: Problem Solving
- Topic: Which of the following could be the number of diagonals of a
- Replies: 5
- Views: 656