Search found 157 matches
While driving from Corvallis to Portland, Matt obeys the spe
While driving from Corvallis to Portland, Matt obeys the speed limit. Matt’s friend Vadim likes to drive faster than the speed limit and believes that he could leave well after Matt and still reach Portland first. The distance from Corvallis to Portland is 81 miles and both Matt and Vadim travel t...
- by hazelnut01
Sun May 14, 2017 3:28 pm- Forum: Problem Solving
- Topic: While driving from Corvallis to Portland, Matt obeys the spe
- Replies: 3
- Views: 1355
- by hazelnut01
Sun May 14, 2017 1:02 am- Forum: Data Sufficiency
- Topic: Is x^2 > y^2? (1) x > y (2) x > 0
- Replies: 2
- Views: 1881
Jerome's refrigerator contains 4 cans of cola, 4 cans of roo
Jerome's refrigerator contains 4 cans of cola, 4 cans of root beer, and 4 cans of ginger ale. If Jerome were to randomly pull two cans out of his refrigerator, what is the probability that he would pull out one can of cola and one can of root beer?
A. 1/11
B. 1/9
C. 2/11
D. 3/11
E. 1/3
- by hazelnut01
Sat May 13, 2017 7:29 pm- Forum: Problem Solving
- Topic: Jerome's refrigerator contains 4 cans of cola, 4 cans of roo
- Replies: 2
- Views: 1260
John has been saving $x annually since 3 years ago, and the
John has been saving $x annually since 3 years ago, and the interest rate for his savings increased r% annually. After saving the money for 3 years as such, he withdrew all the money in the account and spent it all in one year. If he spent a constant amount per each month, how much money did he spen...
- by hazelnut01
Sat May 13, 2017 5:51 pm- Forum: Problem Solving
- Topic: John has been saving $x annually since 3 years ago, and the
- Replies: 3
- Views: 1415
What is the greatest prime factor of 42^2+75^2+6300 ? (A) 3
What is the greatest prime factor of 42^2+75^2+6300 ?
(A) 3
(B) 7
(C) 11
(D) 13
(E) 79
OA=D
- by hazelnut01
Fri May 12, 2017 12:10 am- Forum: Problem Solving
- Topic: What is the greatest prime factor of 42^2+75^2+6300 ? (A) 3
- Replies: 2
- Views: 1306
If F is the prime factorization of N!, how many factors in F
If F is the prime factorization of N!, how many factors in F have an exponent of 1?
(1) 30 ≤ N ≤ 40
(2) 25 ≤ N ≤ 35
Source : Magoosh
OA=E
- by hazelnut01
Thu May 11, 2017 11:42 pm- Forum: Data Sufficiency
- Topic: If F is the prime factorization of N!, how many factors in F
- Replies: 1
- Views: 1571
If k is a positive integer, how many unique prime factors do
If k is a positive integer, how many unique prime factors does 14k have ?
(1) k^4 is divisible by 100
(2) 50*k has 2 prime factors
OA=C
- by hazelnut01
Thu May 11, 2017 11:26 pm- Forum: Data Sufficiency
- Topic: If k is a positive integer, how many unique prime factors do
- Replies: 3
- Views: 1519
(1/21)+(1/22)+(1/23)+(1/24)+(1/25)+(1/26)+(1/27)+(1/28)+(1/2
If a=(1/21)+(1/22)+(1/23)+(1/24)+(1/25)+(1/26)+(1/27)+(1/28)+(1/29)+(1/30). What is the value of a?
(A) 0.15 < a < 0.25
(B) 0.25 < a < 0.35
(C) 0.35 < a < 0.45
(D) 0.45 < a < 0.55
(E) 0.55 < a < 0.65
OA=C
- by hazelnut01
Thu May 11, 2017 10:52 pm- Forum: Problem Solving
- Topic: (1/21)+(1/22)+(1/23)+(1/24)+(1/25)+(1/26)+(1/27)+(1/28)+(1/2
- Replies: 2
- Views: 3963
How many prime factors does positive integer n have? (1) n/7
How many prime factors does positive integer n have?
(1) n/7 has only one prime factor.
(2) 3*n^2 has two different prime factors.
OA=E
- by hazelnut01
Thu May 11, 2017 10:11 pm- Forum: Data Sufficiency
- Topic: How many prime factors does positive integer n have? (1) n/7
- Replies: 0
- Views: 959
I'm thinking ... 1² - 2² + 3² - 4² ± ... + 99² - 100² => (1² + 3² + 5² + ... + 99²) - (2² + 4² + ... + 100²) => (1² + 3² + 5² + ... + 99²) - ((1+1)² + (3+1)² + ... + (99+1)²) => (1² + 3² + 5² + ... + 99²) - (1² + 3² + ... + 99² + 2*1 + 2*3 + ... + 2*99 + 1 + 1 + ... + 1)...
- by hazelnut01
Thu May 11, 2017 9:44 pm- Forum: Problem Solving
- Topic: tricky VIAC (Variables in the answer choices) question
- Replies: 4
- Views: 1545
Z is the set of all fractions of the form n/(n-1) ; where n
Z is the set of all fractions of the form n/(n-1) ; where n is a positive integer and 1 < n < 20.
What is the product of all the fractions in the set Z?
A)21
B)20
C)19
D)11
E)1
OA=C
- by hazelnut01
Wed May 10, 2017 6:05 am- Forum: Problem Solving
- Topic: Z is the set of all fractions of the form n/(n-1) ; where n
- Replies: 3
- Views: 1838
A fair coin will be tossed twice and a fair die with sides n
A fair coin will be tossed twice and a fair die with sides numbered 1, 2, 3, 4, 5, and 6 will been rolled twice. What is the probability that at least one head will be tossed and at least one number greater than 1 will be rolled?
A. 35/144
B. 1/2
C. 25/48
D. 9/16
E. 35/48
Source : Kaplan
OA=E
- by hazelnut01
Tue May 09, 2017 8:21 am- Forum: Problem Solving
- Topic: A fair coin will be tossed twice and a fair die with sides n
- Replies: 3
- Views: 4274
The function of the relationship between the cost (c) and th
The function of the relationship between the cost (c) and the revenue (x) is the equal to c(cost)=bx+a. If the revenue is increased by $1,000, by how many dollars did the cost increase?
1) a=10
2) b=20
OA=B
- by hazelnut01
Mon May 08, 2017 9:30 pm- Forum: Data Sufficiency
- Topic: The function of the relationship between the cost (c) and th
- Replies: 1
- Views: 963
Various goods brought into America have been taxed over the
Various goods brought into America have been taxed over the years, but the art tariff of 1883 forced policy-makers to examine the status of art in society and the idea of art as a commodity. The tariff, which was vehemently opposed by both European and American artists, increased levies on all artwo...
- by hazelnut01
Mon May 08, 2017 4:45 am- Forum: Critical Reasoning
- Topic: Various goods brought into America have been taxed over the
- Replies: 2
- Views: 1205
Archaeologists have recently found in various grave sites in the mexican state of veracruz , small ceramic animals with attached wheels . At first this find might seem to discredit the belief that the wheel and its uses were unknown in pre-columbian culture .On reflection ,however, it would seem th...
- by hazelnut01
Sun May 07, 2017 6:35 am- Forum: Critical Reasoning
- Topic: Archaeologists: Inference
- Replies: 5
- Views: 2732