May 8

Feeling very tired today - focused on SC, DS only.

Tomorrow: Catch up on RC passages (4 backlog + 2 scheduled) and practice PS, CR.

SC : 17/20 (Scoretop 1000) - not very good

99. Although the manager agreed to a more flexible work schedule, he said that it must be posted on the bulletin board so that both management and labor will know what everyone is assigned to do.

(A) he said that it must be posted on the bulletin board so that both management and labor will know what everyone is
(B) he said it had to be posted on the bulletin board so that both management and labor knows what everyone is
(C) he said that they would have to post the assignments on the bulletin board so that management and labor knew what everyone was
(D) he said that the schedule would have to be posted on the bulletin board so that both management and labor would know what everyone was
(E) saying that the schedule had to be posted on the bulletin board so that both management and labor would know what everyone had been

100. Although the phenomenon of withdrawal has always been the crucial physiological Leng for distinguishing addictive from nonaddictive drugs, it has become increasingly evident that not all regular heroin users experience withdrawal symptoms.

(A) addictive from
(B) addictive and
(C) addictive or
(D) between addictive or
(E) among addictive or

"distinguishing addictive from nonaddictive drugs" is idiomatically ok.

103. American productivity is declining in relation to Europe’s; the energy expended per unit of production in the United States is as much as twice that expended in West Germany.

(A) as much as twice that expended in West Germany
(B) as much as twice that of West Germany’s expenditure
(C) up to two times of West Germany’s expenditure
(D) up to two times what West Germans expended
(E) up to double the West German expenditure

DS - 44/50 (Scoretop), 18/20 (OG 10)

Took one scoretop section very casually - practiced while reading TV - and paid the price. Two consistent problems with DS:
a - Not confirming what is being asked for after solving problem
b - Not ignoring a statement while evaluating the other

For some time, I will focus on just getting DS answers right and not be in a hurry to clock a good time as I am doing very good time on DS anyway.

Watch out when |x| is asked for - don't mistake it for x.

Scoretop Q. What is the value of |x|?

(1) x = -|x|
(2) x2 = 4

Scoretop Q. All trainees in a certain aviator training program must take both a written test and a flight test. If 70 percent of the trainees passed the written test, and 80 percent of the trainees passed the flight test, what percent of the trainees passed both tests?

(1) 10 percent of the trainees did not pass either test.
(2) 20 percent of the trainees passed only the flight test.

Did not ignore one statement while evaluating the other.

Scoretop Q. If n is an integer, is n/15 an integer?

(1) 3n/15 is an integer.
(2) 8n/15 is an integer.

Forgot that n is an integer while solving this.

Scoretop Q. If the Lincoln Library’s total expenditure for books, periodicals, and newspapers last year was $35,000, how much of the expenditure was for books?

(1) The expenditure for newspapers was 40 percent greater than the expenditure for periodicals.
(2) The total of the expenditure for periodicals and newspapers was 25 percent less than the expenditure for books.

This is an important question. Even though there are three variables, the ratio of 1 to the sum of the other 2 is given. Watch out for such questions.

OG 10 225 Q. If y is greater than 110% of x, is y greater than 75?

a) x>75
b) y-x=10

I got the implications of statement 2 wrong - forgot that y > 110% of x and formulated an equality wrong. My inequality was y-x=10 => 1.1 x - x > 10 => 0.1 x> 10 => x >100, which is a wrong approach from the first step substitution of y itself as y could even be 50x which would result in a much smaller x. Be careful of making such mistakes.

OG 10 200 Q. If x and y are positive, what is the value of x?

a) 200% of x is 400% of y
b) xy is the square of a positive integer

Important: x, y are not integers here - keep in mind.

2y^2 = square of an integer does not mean y=sqrt(2).