Search found 772 matches
PhishCo runs a number of farms in the arid province of Nufa,
PhishCo runs a number of farms in the arid province of Nufa, depending largely on the irrigation. Now, as a part of a plan to efficiently increase the farms' total production, it plans to drill down to an aquifer containing warm, slightly salty water that will be used to raise fish in ponds. The wat...
- by BTGmoderatorRO
Fri Mar 30, 2018 9:22 am- Forum: Critical Reasoning
- Topic: PhishCo runs a number of farms in the arid province of Nufa,
- Replies: 1
- Views: 1289
Headway is now targeted at a wider readership - to include a
Headway is now targeted at a wider readership - to include all NUT members who are on the leadership salary spine. This year's NUT membership credential gave members the opportunity to identify themselves as teachers on the leadership spine and Headway will, in future, be mailed directly to all memb...
- by BTGmoderatorRO
Fri Mar 30, 2018 9:19 am- Forum: Critical Reasoning
- Topic: Headway is now targeted at a wider readership - to include a
- Replies: 2
- Views: 1031
Richard speed=30miles/hour R(S)= distance / time = 30miles / 60minutes The total time of the trip= 3hours since Carla started 30 minutes late before Richard, then Richard must have covered 15 miles in 30 minutes. Therefore, Time = Distance/Speed $$3=\frac{15}{Carla\ speed\ \left(x\right)-30}$$ $$3x-...
- by BTGmoderatorRO
Thu Mar 29, 2018 11:33 am- Forum: Problem Solving
- Topic: Richard began driving from home on a trip averaging...
- Replies: 3
- Views: 798
$$y=\left(x-5\right)^2+\left(x+1\right)^2-6\ =\ \left(x-5\right)\left(x-5\right)+\left(x+1\right)\left(x+1\right)-6$$ $$y=x^2-5x+25+x^2+2x+1-6=2x^2-8x+20$$ $$divide\ through\ by\ 2$$ $$y=x^2-4x+10$$ $$Therefore,\ x^2-4x+10=0$$ $$By\ u\sin g\ completing\ the\ square\ method\ $$ $$x^2-4x=-10$$ $$x^2-4...
- by BTGmoderatorRO
Thu Mar 29, 2018 11:06 am- Forum: Problem Solving
- Topic: If y = (x – 5)^2 + (x + 1)^2 – 6, then y is least when
- Replies: 2
- Views: 906
Since each team plays each of the other at exactly once and each game is played by 2 teams , then Total games played= $$8C_2$$ $$8C_2=\frac{8!}{\left(8-2\right)!2!}=\frac{8!}{6!2!}$$ $$=\frac{\left(8\cdot7\cdot6\cdot5\cdot4\cdot3\cdot2\cdot1\right)}{\left(6\cdot5\cdot4\cdot3\cdot2\cdot1\cdot2\cdot1\...
- by BTGmoderatorRO
Thu Mar 29, 2018 10:40 am- Forum: Problem Solving
- Topic: Combination Problem
- Replies: 11
- Views: 16035
Health insurance Plan A requires the insured to pay $1000 or
Health insurance Plan A requires the insured to pay $1000 or 50% of total cost, whichever is lower. Plan B requires the insured to pay the initial $300, but then pays 80% of the cost over $300. Which of the following is a cost level for which both insurance plans pay out the same amount? A. $600 B. ...
- by BTGmoderatorRO
Wed Mar 28, 2018 9:54 pm- Forum: Problem Solving
- Topic: Health insurance Plan A requires the insured to pay $1000 or
- Replies: 6
- Views: 1132
If S is the infinite sequence S1 = 6, S2 = 12, ..., Sn = Sn-
If S is the infinite sequence S1 = 6, S2 = 12, ..., Sn = Sn-1 + 6, ..., what is the sum of all terms in the set {S13, S14, ..., S28}?
A. 1,800
B. 1,845
C. 1,890
D. 1,968
E. 2,016
OA is d
Thanks for your contribution
- by BTGmoderatorRO
Wed Mar 28, 2018 9:47 pm- Forum: Problem Solving
- Topic: If S is the infinite sequence S1 = 6, S2 = 12, ..., Sn = Sn-
- Replies: 3
- Views: 1251
In a stack of boards at a lumber yard, the 20th board
In a stack of boards at a lumber yard, the 20th board counting from the top of the stack is immediately below the 16th board counting from the bottom of the stack. How many boards are in the stack? A. 38 B. 36 C. 35 D. 34 E. 32 OA is d I'm confused by this PS question. Any suggestion on how to go ab...
- by BTGmoderatorRO
Wed Mar 28, 2018 9:42 pm- Forum: Problem Solving
- Topic: In a stack of boards at a lumber yard, the 20th board
- Replies: 2
- Views: 3021
When 1/10 percent of 5,000 is subtracted from 1/10 of 5,000
When 1/10 percent of 5,000 is subtracted from 1/10 of 5,000 the difference is
(A) 0
(B) 50
(C) 450
(D) 495
(E) 500
OA is d
- by BTGmoderatorRO
Wed Mar 28, 2018 9:38 pm- Forum: Problem Solving
- Topic: When 1/10 percent of 5,000 is subtracted from 1/10 of 5,000
- Replies: 3
- Views: 2777
How many passengers can be seated on a plane with r rows, if
How many passengers can be seated on a plane with r rows, if each row consists of d double seats and t triple seats?
(A) rdt
(B) rd + rt
(C) 2dr + 3tr
(D) 3dr + 2tr
(E) rd + t
OA is c
What is wrong with option C and D here? I am confused.
- by BTGmoderatorRO
Wed Mar 28, 2018 9:35 pm- Forum: Problem Solving
- Topic: How many passengers can be seated on a plane with r rows, if
- Replies: 3
- Views: 746
How many passengers can be seated on a plane with r rows, if
How many passengers can be seated on a plane with r rows, if each row consists of d double seats and t triple seats?
(A) rdt
(B) rd + rt
(C) 2dr + 3tr
(D) 3dr + 2tr
(E) rd + t
OA is c
What is wrong with option C and D here? I am confused.
- by BTGmoderatorRO
Wed Mar 28, 2018 9:20 pm- Forum: Problem Solving
- Topic: How many passengers can be seated on a plane with r rows, if
- Replies: 3
- Views: 1206
In a sequence of 8 consecutive integers, how much greater is
In a sequence of 8 consecutive integers, how much greater is the sum of the last four integers than the sum of the first four integers?
A. 12
B. 14
C. 16
D. 18
E. 20
OA is c
- by BTGmoderatorRO
Wed Mar 28, 2018 9:17 pm- Forum: Problem Solving
- Topic: In a sequence of 8 consecutive integers, how much greater is
- Replies: 3
- Views: 759
Car X is 40 miles west of Car Y. Both cars are traveling
Car X is 40 miles west of Car Y. Both cars are traveling east, and Car X is going 50% faster than Car Y. If both cars travel at a constant rate and it takes Car X 2 hours and 40 minutes to catch up to Car Y, how fast is Car Y going? a) 18 b) 25 c) 30 d) 12 e) 40 OA is c How can I set up the formula ...
- by BTGmoderatorRO
Wed Mar 28, 2018 9:09 pm- Forum: Problem Solving
- Topic: Car X is 40 miles west of Car Y. Both cars are traveling
- Replies: 2
- Views: 935
Car X is 40 miles west of Car Y. Both cars are traveling
Car X is 40 miles west of Car Y. Both cars are traveling east, and Car X is going 50% faster than Car Y. If both cars travel at a constant rate and it takes Car X 2 hours and 40 minutes to catch up to Car Y, how fast is Car Y going? a) 18 b) 25 c) 30 d) 12 e) 40 OA is c How can I set up the formula ...
- by BTGmoderatorRO
Wed Mar 28, 2018 8:58 pm- Forum: Problem Solving
- Topic: Car X is 40 miles west of Car Y. Both cars are traveling
- Replies: 3
- Views: 925
The bear alarm at Grizzly’s Peak ski resort sounds an aver
The bear alarm at Grizzly’s Peak ski resort sounds an average of once every thirty days, but the alarm is so sensitively calibrated that it sounds an average of ten false alarms for every undetected bear. Despite this, the alarm only sounds for three out of four bears that actually appear at the r...
- by BTGmoderatorRO
Wed Mar 28, 2018 8:48 pm- Forum: Problem Solving
- Topic: The bear alarm at Grizzly’s Peak ski resort sounds an aver
- Replies: 1
- Views: 1295