Search found 15 matches


Strategy for attack

I got this question correct but it took too much time and almost about to give up . Reason it took way too much time was I was using kind of trial and error method. All I knew mathemetically these two numbers has to be close to each other and everything onward is trial and error N and M are 3 digit ...

by moron

Fri Dec 04, 2015 2:29 pm
Forum: Problem Solving
Topic: Strategy for attack
Replies: 2
Views: 1258

Lost: if x>1

I chose E and it was wrong...Can you suggest similar DS questions/tutorials/note for practice ?

Q) Is x>1?

a) (x+1)(|x|-1)>0
b) |x| <5

by moron

Fri Dec 04, 2015 12:40 pm
Forum: Data Sufficiency
Topic: Lost: if x>1
Replies: 3
Views: 1610

Thanks.

What I fail to understand is
5 x 650 = 3250
and
5 x 150 = 750

Withdrawing $350 (June 11th) and $500(June 16th) seems like one time transaction . Where it is mentioned that it is a recurring transaction till the next transaction?

by moron

Thu Nov 19, 2015 9:23 pm
Forum: Problem Solving
Topic: Transaction for month of June
Replies: 5
Views: 1907

Transaction for month of June

Date of Transaction Type of Transaction June 11 Withdrawal of $350 June 16 Withdrawal of $500 June 21 Deposit $x For certain savings account the table shows 3 transactions for month of June. The daily balance was recorded at the end of each of 30 days in June. If daily balance was $1000 on June 1 a...

by moron

Thu Nov 19, 2015 8:23 pm
Forum: Problem Solving
Topic: Transaction for month of June
Replies: 5
Views: 1907

Brent,
Thanks for replying but it still does not answer my question .

How can you say with 100% assurance

'We know that √37 > √36'

What if √37 = -6.08

by moron

Tue Nov 17, 2015 10:37 pm
Forum: Data Sufficiency
Topic: is n >6
Replies: 5
Views: 2209

is n >6

Is n > 6 ? 1) square_root(n)>2.5 2) n>square_root(37) My answer was A . I was about to choose D (Both independently sufficient) but I chose A because square_root(37) could be positive or negative and there is no additional information about n like n> 0 or n represent distance/children. Why is D righ...

by moron

Tue Nov 17, 2015 10:05 pm
Forum: Data Sufficiency
Topic: is n >6
Replies: 5
Views: 2209

Strategy for Probability

Can anyone suggest when it is better to use Combination nCr vs when it is better to use counting method ? Examples will be be appreciated.
I finally get the answer but it consumes lot of time. This happens for bit difficult questions.
Thanks

by moron

Tue Nov 10, 2015 6:39 pm
Forum: Problem Solving
Topic: Strategy for Probability
Replies: 3
Views: 1233

Key information in the question First half of the season a football team participating in the local league won --> x First half of the season a football team participating in the local league won 40% --> 0.4x Win all its matches except two in the second half of the season. --> 2x-2 Entire season the...

by moron

Thu Nov 05, 2015 9:00 am
Forum: Problem Solving
Topic: PERCENTAGES
Replies: 2
Views: 1013

Hi, I am not an expert but I will present my analysis as I was working on this question. I will stick to your question "What is wrong with answer choice E?" There are two things: 1)Illogical statement a discovery suggesting a gigantic amount of particles ... a discovery is noun acting as s...

by moron

Wed Nov 04, 2015 7:31 pm
Forum: Sentence Correction
Topic: Astronomers
Replies: 3
Views: 1710

Sum of even -Sum of odd

This question has tedious calculation but I am 100% positive that my calculation is correct (verified using Excel spread sheet and small computer program) . So my concept is wrong and I will present my logic vs the correct logic . An explanation will be appreciated. So here goes the question.. Q If ...

by moron

Mon Nov 02, 2015 10:44 pm
Forum: Problem Solving
Topic: Sum of even -Sum of odd
Replies: 6
Views: 3253

Satisfying inequality

Explanation will be appreciated...

How many integers that satisfies the inequality

(x+2)(x+3)
----------- >=0 (greater or equal to 0) are less than 5
x-2

A) 1
B) 2
C) 3
D) 4
E) 5

by moron

Sat Oct 31, 2015 12:09 pm
Forum: Problem Solving
Topic: Satisfying inequality
Replies: 1
Views: 781

Thanks.

The army of terra-cotta warriors is a collection of terracotta sculptures depicting the armies makes sense. Now it is much easier to interpret and analyze .

by moron

Sat Oct 24, 2015 9:23 am
Forum: Sentence Correction
Topic: Lost in meaning
Replies: 3
Views: 1415

Lost in meaning

Can someone explain why this sentence is right ? Honestly speaking I am not able to comprehend the meaning of the sentence. How do you handle similar situation in GMAT exam. Rivaling the pyramids of Egypt or even the ancient cities of Mayan as an achievement , the army of terra-cotta warriors create...

by moron

Fri Oct 23, 2015 10:09 pm
Forum: Sentence Correction
Topic: Lost in meaning
Replies: 3
Views: 1415

Though semi-colons on the GMAT are often used to separate independent clauses, they can also be used to separate elements in a list that contain commas within them. For example: During my vacation, I visited Philadelphia, Pennsylvania; New York, New York; and Boston, Massachusetts. This is the usag...

by moron

Wed Oct 14, 2015 7:31 am
Forum: Sentence Correction
Topic: Parallelism vs 2 independent clause
Replies: 4
Views: 2055

Parallelism vs 2 independent clause

Tropical bats play important roles in the rainforest ecosystem , aiding in dispersal of cashew, date, and fig seeds; pollinating banana, breadfruit and mango trees ; and indirectly help produce tequila by pollinating agave plants. A) B) pollinating banana, breadfruit and mango trees; and indirectly ...

by moron

Tue Oct 13, 2015 7:02 pm
Forum: Sentence Correction
Topic: Parallelism vs 2 independent clause
Replies: 4
Views: 2055