Search found 76 matches
- by phelps
Mon Nov 07, 2011 2:29 am- Forum: Problem Solving
- Topic: Path Example
- Replies: 10
- Views: 1708
I think the answer is 1$ as well
Its a set of questions I had from a friend so I am not aware of the source.
Many thanks for your reply
- by phelps
Wed May 04, 2011 1:47 pm- Forum: Problem Solving
- Topic: company
- Replies: 4
- Views: 1315
sequence
In the sequence 1, 2, 4, 8, 16, 32, …, each term after the first is twice the previous term. What is the sum of the 16th, 17th, and 18th terms in the sequence? A. 218 ...its 2 exponent 18 B. 3(217)...its 3* (2 exponent 17) C. 7(216) ...its 7*( 2 exponent 16) D. 3(216) ...its 3* ( 2exponent 16) E. ...
- by phelps
Wed May 04, 2011 1:37 pm- Forum: Problem Solving
- Topic: sequence
- Replies: 3
- Views: 3017
company
At a certain company, each ecmployee has a salary grade s that is at least 1 and at most 5. Each employee receives an hourly wage p, in dollars, determined by the formula p = 9.50 + 0.25(s – 1). An employee with a salary grade of 5 receives how many more dollars per hour than an employee with a sa...
- by phelps
Wed May 04, 2011 1:34 pm- Forum: Problem Solving
- Topic: company
- Replies: 4
- Views: 1315
CARS
The number of defects in the first five cars to come through a new production line are 9, 7, 10, 4, and 6, respectively. If the sixth car through the production line has either 3, 7, or 12 defects, for which of theses values does the mean number of defects per car for the first six cars equal the me...
- by phelps
Wed May 04, 2011 11:00 am- Forum: Problem Solving
- Topic: CARS
- Replies: 5
- Views: 1409
PROBABILTY
If an integer n is to be chosen at random from the integers 1 to 96, inclusive, what is the
probability that n(n + 1)(n + 2) will be divisible by 8?
A 1/4
B 3/8
C.1/2
D.5/8
E.3/4
CORRECT ANSWER
D
- by phelps
Wed May 04, 2011 10:55 am- Forum: Problem Solving
- Topic: PROBABILTY
- Replies: 4
- Views: 1031
positive integers
If x is the product of the positive integers from 1 to 8, inclusive, and if i, k, m, and p are
positive integers such that x = 2i3k5m7p, then i + k + m + p =
Please note that i, k , m and p are exponents of 2, 3 , 5 and 7 respectively
ANS-
A. 4
B. 7
C. 8
D. 11
E. 12
Correct Answer D
- by phelps
Wed May 04, 2011 10:52 am- Forum: Problem Solving
- Topic: positive integers
- Replies: 3
- Views: 1925
integers
For any positive integer n, the sum of first n positive integers equals n(n+1)/2.What is the sum of all the even integers between 99 and 301.
a. 10,100
b. 20,200
c. 22,650
d. 40,200
e. 45,150
Ans b
Please explain
- by phelps
Fri Jul 23, 2010 1:01 pm- Forum: Problem Solving
- Topic: integers
- Replies: 3
- Views: 1380
sequence
In a certain sequence , the tern Xn is given by formula Xn= 2Xn-1/2 ( Xn-2) for all n greater than or equal to 2.If X0= 3 and X1= 2 what is the value of X3.
a. 2.5
b. 3.125
c. 4
d. 5
e. 6.75
Ans c
- by phelps
Fri Jul 23, 2010 12:58 pm- Forum: Problem Solving
- Topic: sequence
- Replies: 1
- Views: 995
university
A certain university will select 1 of 7 candidates eligible to fill a position in the mathematics department and 2 of 10 candidates eligible to fill 2 identical positions in the computer science department. If none of the candidates is eligible for a position in both departments, how many different ...
- by phelps
Sat Jul 17, 2010 4:21 pm- Forum: Problem Solving
- Topic: university
- Replies: 3
- Views: 1198
circle
The points R, T, and U lie on a circle that has radius 4. If the length of arc RTU is 4( pie) /3
what is the length of line segment RU?
a. 4/3
b.8/3
c. 3
d. 4
e. 6
OA d
please explain
- by phelps
Sat Jul 17, 2010 4:08 pm- Forum: Problem Solving
- Topic: circle
- Replies: 3
- Views: 1174
black africans
19. Black Americans are, on the whole, about twice as likely as White Americans to develop high blood pressure. This likelihood also holds for westernized Black Africans when compared to White Africans. Researchers have hypothesized that this predisposition in westernized Blacks may reflect an inter...
- by phelps
Sun Jul 04, 2010 3:01 pm- Forum: Critical Reasoning
- Topic: black africans
- Replies: 1
- Views: 1140
- by phelps
Tue May 18, 2010 11:31 pm- Forum: Sentence Correction
- Topic: for as conjunction: Interesting SC
- Replies: 9
- Views: 2166
injury
. Few people realize that the chance of accidental injury or death may be as great or greater in the “safety” of their own homes than in a plane or on the road. (A) may be as great or greater in the “safety” of their own homes than (B) is at least as great or greater in the “safety” of their own hom...
- by phelps
Thu Aug 13, 2009 11:39 am- Forum: Sentence Correction
- Topic: injury
- Replies: 1
- Views: 1216
films
Although films about the American West depict coyotes as solitary animals howling mournfully on the tops of distant hills , in reality these gregarious creatures live in stable groups that occupy the same territory for long periods. (A) films about the American West depict coyotes as solitary animal...
- by phelps
Thu Aug 13, 2009 11:38 am- Forum: Sentence Correction
- Topic: films
- Replies: 1
- Views: 1290