## Search found 21 matches

#### If ab not equal to 0, then $$a^{-1}+b^{-1}=$$

##### Re: If ab not equal to 0, then $$a^{-1}+b^{-1}=$$

=1/a+1/b
=(b+a)/ab

ImoE

by Neha sharma

Wed Oct 07, 2020 5:10 am
Forum: Problem Solving
Topic: If ab not equal to 0, then $$a^{-1}+b^{-1}=$$
Replies: 2
Views: 444

#### A drum of bathroom cleaner contains 200 gallons of a cleaning solution that is 20% bleach. If 50 gallons of water are

##### Re: A drum of bathroom cleaner contains 200 gallons of a cleaning solution that is 20% bleach. If 50 gallons of water ar

Cleaning solution =200 gallons

% of cleaning solution is bleach % of gallons=20*200/100
=40

50 gallons of water is added to solution.

Therefore new total gallons of Cleaning solution gallons=200+50=250

Required Percentage (Bleach /New solution *100

Required Percentage %

=40*100/250
=16%

#### Even though the direct costs of malpractice disputes amounts to a sum lower than one percent of the $541 billion the ###### Sentence Correction ##### Re: Even though the direct costs of malpractice disputes amounts to a sum lower than one percent of the$541 billion the

A) amounts to a sum lower 1. PRONOUN NUMBER AGREEMENT ERROR. The subject "direct costs" is plural so it requires a plural verb and NOT the singular verb "amounts". 2. TENSE ERROR - Also, as per the context of the sentence, usage of the simple past tense will make more sense. As t...

#### In an attempt to attract more tourists, the Swiss government commissioned several life-size fiberglass cow statues,

##### Re: In an attempt to attract more tourists, the Swiss government commissioned several life-size fiberglass cow statues,

IMO "C" A" is wrong because "having them" over here is not parallel with "set them up " "B" - use of They is ambiguous "D" and "E" are out as they have the problem of misplaced modifier Let is "A" and "C" so only le...

#### Extracting pure aluminum from bauxite and other ores using the Hall-Héroult process, with a vast amount of electrical

##### Re: Extracting pure aluminum from bauxite and other ores using the Hall-Héroult process, with a vast amount of electrica

Imo-D A. using the Hall-Héroult process, with a vast amount of electrical energy separating the element from aluminum oxide, making- Fragment B. by means of the Hall-Héroult process, in which a vast amount of electrical energy separates the element from aluminum oxide, making- fragment C. by means o...

#### Trans World Entertainment Corporation, which owns the Record Town and Saturday Matinee retail chains, announced that sin

##### Trans World Entertainment Corporation, which owns the Record Town and Saturday Matinee retail chains, announced that sin

Trans World Entertainment Corporation, which owns the Record Town and Saturday Matinee retail chains, announced that since sales of up to one-fourth of its stores are poor, they will be closed. A. that since sales of up to one-fourth of its stores are poor, they will be closed B. it is closing up to...

#### A little-known fact from Michelangelo’s early years as an artist is that he forged a statue in 1496, treating it with

##### Re: A little-known fact from Michelangelo’s early years as an artist is that he forged a statue in 1496, treating it wit

Since Michelangelo’s early years as an artist is in possessive form, he/his are incorrect in A,B & C
E is not parallel with and sold it for far more than it was actually worth. in not underlined part.

D is correct

IMO D

#### Besides yielding such psychological rewards as relief from stress, deep relaxation, if practiced regularly, can strength

##### Re: Besides yielding such psychological rewards as relief from stress, deep relaxation, if practiced regularly, can stre

Imo-A (A) deep relaxation, if practiced regularly, can strengthen the immune system- correct (B) one can strengthen the immune system through deep relaxation, if it is practiced regularly- incorrect besides yielding such.. as relief from ...incorrectly modifying to one (C) the immune system can be s...

#### Decimals

##### Re: Decimals

Imo-B Given: X = 1.4ab5 Statement 1: If x is rounded to the nearest hundredth, then 10 – x = 8.56 10 - 1.44 = 8.56 So, x rounded to the nearest HUNDREDTH = 1.44 So, x COULD equal 1.4355, 1.4365, 1.4375, 1.4385, 1.4395, 1.4405, 1.4415, 1.4425, 1.4435 OR 1.4445 Given all of the different possible valu...

by Neha sharma

Mon Sep 21, 2020 7:43 pm
Forum: Data Sufficiency
Topic: Decimals
Replies: 1
Views: 305

#### Properties of perfect squares

##### Re: Properties of perfect squares

The perfect square number has following properties

1. The number of distinct factors of a perfect square is ALWAYS ODD.
2. The sum of distinct factors of a perfect square is ALWAYS ODD
3. Perfect square always has even powers of its prime factors.

So 1 & 2 statement must be true
Imo-C

by Neha sharma

Mon Sep 21, 2020 6:03 am
Forum: Problem Solving
Topic: Properties of perfect squares
Replies: 7
Views: 10127

#### The primary drama of Homers famed Iliad revolves around anger amongst the renowned and wrathful warrior Achilles and

##### Re: The primary drama of Homers famed Iliad revolves around anger amongst the renowned and wrathful warrior Achilles and

The primary drama ...... revolves. The use of revolve is incorrect eliminated B and E

Among used for comparing more than two things and between is used to compare two things eliminate A

Between C and D the meaning is clearly conveyed in C by using anger revolves around ....

IMO C

#### In a student body the ratio of men to women was 1 to 4. After

##### Re: In a student body the ratio of men to women was 1 to 4. After

(1x + 140)/4x = 2/3

8x = 3x + 420

5x = 420

5x = 42 * 2 * 5

x = 84 * 5 + 140 = 420 + 140 = 560

by Neha sharma

Thu Sep 17, 2020 9:49 am
Forum: Problem Solving
Topic: In a student body the ratio of men to women was 1 to 4. After
Replies: 4
Views: 508

#### How many three-digit numerals begin with a digit that represents a prime number and end with a digit that represents a p

##### Re: How many three-digit numerals begin with a digit that represents a prime number and end with a digit that represents

number be -X X X.
First and last digits can be taken by 2, 3, 5, 7,
so 4 numbers for each spot
. Middle digit can be. any of the 10 digits.

4*10*4 = 160 is the answer.

Option C

#### If Carol can finish a job in 5 hours and Steve can finish the same job in 10 hours, how many minutes will it take both o

##### Re: If Carol can finish a job in 5 hours and Steve can finish the same job in 10 hours, how many minutes will it take bo

1/5 + 1/10 = 10/3

10/3 * 60 = 200 mins
IMO C

#### Samurai warriors of ancient Japan were expected to be expert combatants who employed both skill and honor on the

##### Re: Samurai warriors of ancient Japan were expected to be expert combatants who employed both skill and honor on the

IMO-A 1. who employed both skill and honor on the battlefield, as well as cultured citizens who were ------- uses the correct subject pronoun who ---the correct choice 2. which employed both skill or honor on the battlefield, as well as cultured citizens who were ----wrong use of -' which' 3. who em...