Search found 45 matches
Mean Problem 3
On Jane's credit card account, the average daily balance for a 30 day billing cycle is average(arithmetic mean) of the daily balances at the end of the 30 days. At the beginning of a certain 30 day billing cycle, Jane's credit card account had a balance of $600. Jane made a payment of $300 on the ac...
- by aditiniyer
Tue Feb 07, 2017 2:39 am- Forum: Data Sufficiency
- Topic: Mean Problem 3
- Replies: 2
- Views: 1616
Mean Problem 2
The average of x number of exams is y. When an additional exam of score z is added in, does the average score of the exams increase by 50% ?
A) 3x = y
B) 2z-3y = xy
- by aditiniyer
Tue Feb 07, 2017 2:32 am- Forum: Data Sufficiency
- Topic: Mean Problem 2
- Replies: 4
- Views: 2251
Mean Problem 1
In a workforce the employers are either managers or directors. What is the percentage of directors?
A) The average salary of managers is $5,000 less than the total average salary.
B) The average salary for directors is $15,000 more than the total average salary.
- by aditiniyer
Tue Feb 07, 2017 2:29 am- Forum: Data Sufficiency
- Topic: Mean Problem 1
- Replies: 3
- Views: 2312
IR Question
A car is traveling on a straight stretch of roadway, and the speed of the car is increasing at a constant rate <with respect to time >. At time 0 seconds, the speed of the car is v0 meters per second; 10 seconds later, the front bumper of the car has traveled 125 meters and the speed of the car is...
- by aditiniyer
Sat Feb 04, 2017 9:56 am- Forum: Problem Solving
- Topic: IR Question
- Replies: 1
- Views: 1848
Overlapping Sets - Problem 4
Each of 435 bags contains at least one of the following three items: raisins, almonds & peanuts. The number of bags that contain only raisins is 10 times the number of bags that contain only peanuts. The number of bags that contain only almonds is 20 times the number of bags that contain only ra...
- by aditiniyer
Wed Feb 01, 2017 10:41 pm- Forum: Problem Solving
- Topic: Overlapping Sets - Problem 4
- Replies: 1
- Views: 1265
Overlapping Sets - Problem 3
What percent students of Jefferson High School study french but not Spanish ?
a) 30% of all students at Jefferson High School study french.
b) 40% of all students at Jefferson High School do not study Spanish.
- by aditiniyer
Wed Feb 01, 2017 10:34 pm- Forum: Problem Solving
- Topic: Overlapping Sets - Problem 3
- Replies: 2
- Views: 1770
Overlapping sets - Problem 2
50 % apartments in a certain building have windows and hardwood floors. 25% apartments without windows have hardwood floors. If 40 % of the apartments do not have hardwood floors, what percent of the apartments with windows have hardwood floors?
A) 10%
B) 16.66%
C) 40%
D) 50%
E) 83.33%
- by aditiniyer
Wed Feb 01, 2017 10:31 pm- Forum: Problem Solving
- Topic: Overlapping sets - Problem 2
- Replies: 2
- Views: 1645
Overlapping Sets - Problem 1
Some of the people in Town X are left handed, some are tall, some are both, some are neither.In Town Y, three times as many people are left handed as are left handed in Town X, three times as many people are tall as are tall in town X, three times as many people are both as are both in Town X, but n...
- by aditiniyer
Wed Feb 01, 2017 10:19 pm- Forum: Problem Solving
- Topic: Overlapping Sets - Problem 1
- Replies: 5
- Views: 2391
Numbers Problem - decimals
List T consists of 30 positive decimals, none of which is an integer, and the sum of the 30 decimals is S. The estimated sum of the 30 decimals , E, is defined as follows. Each decimal in E whose tenths digit is even is rounded up to the nearest integer, and each decimal in T whose tenths digit is o...
- by aditiniyer
Wed Feb 01, 2017 8:48 pm- Forum: Problem Solving
- Topic: Numbers Problem - decimals
- Replies: 5
- Views: 2675
Probability Problem
If 2 of the 4 expressions x+y, x+5y,x-y & 5x-y are chosen at random, what is the prob that their product will be of the form x^2-by^2 where b is an integer.
Ans 1/6, I got 1/4 
- by aditiniyer
Tue Jan 31, 2017 6:52 am- Forum: Problem Solving
- Topic: Probability Problem
- Replies: 5
- Views: 2732
That was extremely lucid !
- by aditiniyer
Sat Jan 28, 2017 5:51 am- Forum: Data Sufficiency
- Topic: Speed and distance Problem 3
- Replies: 3
- Views: 1807
Numbers Problem 2
If the integer a & n are greater than 1, and the product of the first 8 positive integers is a multiple of a^n, what is the value of a ?
1) a^n = 64
2) n=6
- by aditiniyer
Sat Jan 28, 2017 4:58 am- Forum: Data Sufficiency
- Topic: Numbers Problem 2
- Replies: 3
- Views: 1898
Speed & Distance Problem 5
On Monday Luo drives her ford escort with 28 inch tires, averaging x miles per hour. On tuesday Lou switches the tire of her car to 32 inches tire yet drives to work at the same average speed as on monday. What is the percent change from monday to tuesday in the average number of revolutions that lo...
- by aditiniyer
Thu Jan 26, 2017 6:07 am- Forum: Problem Solving
- Topic: Speed & Distance Problem 5
- Replies: 1
- Views: 1481
Speed & distance Problem 4
Alex & Brenda both stand at point X. Alex begins to walk away from Brenda in a straight line at a rate of 4 miles per hour. One hour later, Brenda begins to ride a bicycle in a straight line in the opposite direction at a rate of R miles per hour. If R>8, which of the following represents the am...
- by aditiniyer
Thu Jan 26, 2017 6:03 am- Forum: Problem Solving
- Topic: Speed & distance Problem 4
- Replies: 4
- Views: 2126
Speed and distance Problem 3
Stephanie,Regina & Brian ran a 20 mile race. Stephanie & Regina's combined times exceeded Brian's time by exactly 2 hours. if nobody ran faster than 8 miles per hour, who could have won the race?
1) Stephanie
2) Regine
3) Brian
a) 1 only
b) 2 only
c) Only 1 and 2
d) 1,2 or 3
- by aditiniyer
Thu Jan 26, 2017 12:32 am- Forum: Data Sufficiency
- Topic: Speed and distance Problem 3
- Replies: 3
- Views: 1807