Search found 10 matches


Another approach is to assign k a "nice" value.
Let's see what happens when k = 0
I used an approach similar to the first approach that you have mentioned, but I must say the second approach is interesting. Might be useful when one is getting stuck with long calculations...

by batwaraanirudh

Thu Feb 06, 2014 11:39 pm
Forum: Problem Solving
Topic: To find m-k
Replies: 4
Views: 1747

The question stem states: a and n are positive integers and it is asking whether (2a)^2x = n Lets look at statement 2 first: The information given is only about x and nothing is mentioned about a or n. With only this information we would not be able to comment anything about the relationship between...

by batwaraanirudh

Thu Feb 06, 2014 10:59 pm
Forum: Problem Solving
Topic: Equations with three variables
Replies: 4
Views: 1567

I followed the following approach: Assuming every line has 100 characters. => with 8% margin, the total number of characters written in one line is 100-8 = 92 Time taken to write 20 lines is 10 mins => time taken to write 1 line = 92 characters is 10/(92*20) Now, when the margin is increased by 25% ...

by batwaraanirudh

Thu Feb 06, 2014 10:45 pm
Forum: Problem Solving
Topic: percentage
Replies: 5
Views: 7707

Weaken the Argument CR Problem

The dean of computing must be respected by the academic staff and be competent to oversee the use of computers on campus. The only deans whom academics respect are those who hold doctoral degrees, and only someone who really knows about computers can competently oversee the use of computers on campu...

by batwaraanirudh

Fri Sep 27, 2013 1:16 am
Forum: Critical Reasoning
Topic: Weaken the Argument CR Problem
Replies: 5
Views: 1756

Assumption based CR PRoblem

The dean of computing must be respected by the academic staff and be competent to oversee the use of computers on campus. The only deans whom academics respect are those who hold doctoral degrees, and only someone who really knows about computers can competently oversee the use of computers on campu...

by batwaraanirudh

Fri Sep 27, 2013 1:14 am
Forum: Critical Reasoning
Topic: Assumption based CR PRoblem
Replies: 3
Views: 1686

Support CR Question

Economist: Some policymakers believe that our country’s continued economic growth requires a higher level of personal savings than we currently have. A recent legislative proposal would allow individuals to set up savings accounts in which interest earned would be exempt from taxes until money is ...

by batwaraanirudh

Fri Sep 27, 2013 1:07 am
Forum: Critical Reasoning
Topic: Support CR Question
Replies: 2
Views: 1366

A natural number consists of only 0’s and 1’s. If the number is divisible by 375, then what is the least possible number of 0’s and 1’s in the number respectively? Prime factors of 375 = 5*5*5*3 So the natural number that we are talking about should be divisible by 3 For any number to be di...

by batwaraanirudh

Thu Sep 12, 2013 4:26 pm
Forum: Problem Solving
Topic: Number system
Replies: 6
Views: 2716

A cube is painted with red colour and then cut into 64 small identical cubes. If two cubes are picked randomly from the heap of 64 cubes, what is the probability that both of them have exactly two faces painted red? (a)23/168 (b)47/84 (c)1/4 (d)31/63 (e)41/63 Total number of available cubes to choo...

by batwaraanirudh

Thu Sep 12, 2013 4:06 pm
Forum: Problem Solving
Topic: probability
Replies: 5
Views: 3607
by batwaraanirudh

Tue Aug 20, 2013 7:56 pm
Forum: I just Beat The GMAT!
Topic: First attempt: 750 (in 2 months)
Replies: 15
Views: 48921

Great Job man! All the best. Do tell more about your study schedule and tests.

by batwaraanirudh

Tue Jul 30, 2013 10:47 pm
Forum: I just Beat The GMAT!
Topic: 510 to 700 in the GMAT in a month :)
Replies: 5
Views: 8001