Search found 38 matches


Question stem- "As the effectiveness of tongue scrapers becomes more widely known" D-A recent survey shows that 94% of those who regularly purchase breath freshening products are aware of the effectiveness of the tongue scraper. 94% of people buying breath freshening product are already aw...


Jennifer is saying videorama is responsible for the decline, while as per brad their is some other reason for the decline.
If we select E are we not strengthening the argument given by Brad?

by Gurpreet singh

Sun Sep 04, 2016 8:41 pm
Forum: Critical Reasoning
Topic: Jennifer: Video rental outlets in Centerville together
Replies: 9
Views: 8053

Can any one post the question. image is missing.

by Gurpreet singh

Sat Sep 03, 2016 10:31 pm
Forum: Critical Reasoning
Topic: High School Students
Replies: 5
Views: 6438
by Gurpreet singh

Tue Jun 28, 2016 4:29 pm
Forum: Problem Solving
Topic: LightBulbs
Replies: 8
Views: 3441

How do we solve it without using the complement method?
If the probability of one bulb failing is .06 is the probability of 10 bulb failing not= (.06)^10?

by Gurpreet singh

Tue Jun 28, 2016 5:58 am
Forum: Problem Solving
Topic: LightBulbs
Replies: 8
Views: 3441

Sorry missed it.
Thank you.

by Gurpreet singh

Mon Jun 27, 2016 12:24 am
Forum: Problem Solving
Topic: Doubt
Replies: 5
Views: 4620

let the no be XYYX. eg X=1 and y 2 so the no is 1221 odd Int 1,3,5,7,9 X at unit's digit has to be odd for the 4 digit no to be odd X at unit's digit=No of ways it can be odd =5 No of options for X at 1000th digit will be= 1 Y at tens digit the no of options= any no from 0,1,2,3,4,5,6,7,8,9 digits=1...

by Gurpreet singh

Sun Jun 26, 2016 11:40 pm
Forum: Problem Solving
Topic: palindrome
Replies: 7
Views: 4941

Brute force

1 A
2 B
3 AB
4 C
5 CA
6 CB
7 D
8 AD
9 DB
10 DC
11 E
12 EA

Alphabets used 5

by Gurpreet singh

Sun Jun 26, 2016 11:17 pm
Forum: Problem Solving
Topic: PS - combination
Replies: 8
Views: 9840

Question stem says 5 of 12 emp are male, while the calculations have been done for female

by Gurpreet singh

Sun Jun 26, 2016 5:23 pm
Forum: Problem Solving
Topic: Doubt
Replies: 5
Views: 4620

Brilliant Thank you. When a question asks for the number of triangles that can be constructed, it's not a geometry question but a combinations question. Why? Because a triangle is a combination of 3 points. We need to determine how many ways we can combine P, Q and R to form a triangle. For each poi...

by Gurpreet singh

Thu Jun 23, 2016 5:18 am
Forum: Problem Solving
Topic: how many triangles?
Replies: 29
Views: 25938

Thank you Brent & Rich

by Gurpreet singh

Thu Jun 23, 2016 2:53 am
Forum: GMAT Math
Topic: median / range problem
Replies: 9
Views: 10530

M-J=2(M-K)
M-J==2M-2k
2k=M+J

st 1= only salary of J is given we are not aware of M&K not sufficient
st 2= Value of k is given plus from above equation we know that M+J=2k
we have all the 3 values. Hence avg= M+J+K/3=80000+40000/3=avg
Statement 2 sufficient. Answer-B

by Gurpreet singh

Wed Jun 22, 2016 8:25 am
Forum: Data Sufficiency
Topic: Average
Replies: 9
Views: 4898

Let avg of first 20 nos =20
sum =20*20=400
n=4 times the avg=4*20=80

Sum of 21 values =400+80=480

n is fraction of total sum=80/480=1/6

by Gurpreet singh

Wed Jun 22, 2016 7:32 am
Forum: Problem Solving
Topic: N Numbers...
Replies: 7
Views: 4393

Avg declined by 5 runs=total drop of 11*5=55 runs.
add to the current score =90+55=145

by Gurpreet singh

Wed Jun 22, 2016 6:48 am
Forum: Problem Solving
Topic: An average problem
Replies: 5
Views: 4504

Hi Brent, please make me understand this "If we want to maximize the value of the greatest number, we need to maximize the value of the smallest number" In a set should not the smallest nos be min possible so that the greatest no is maximum? Regards Gurpreet A set of 15 different integers ...

by Gurpreet singh

Wed Jun 22, 2016 5:57 am
Forum: GMAT Math
Topic: median / range problem
Replies: 9
Views: 10530