Princeton Alumni of New England (PANE) has a mentoring relationship with the Snowden International High School of Boston. This blog is for the Class of 2009
students and mentors.
A machine can insert letters in envelopes at the rate of 120 per minute. Another machine can stamp the envelopes at the rate of 3 per second. How many such stamping machines are needed to keep up with 18 inserting machines of this kind?
The following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.
Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.
Scientists are studying the birth and growth of thunderstorms to discover what causes the difference between showers that enable crops to ------- and ------- storms that cause floods and erosions.
Part of the following sentence is underlined; beneath the sentence are five ways of phrasing the underlined material. Select the option that produces the best sentence. If you think the original phrasing produces a better sentence than any of the alternatives, select choice A.
Enrico Caruso sang opera in Italy before traveling to the United States, then he gave his first performance at the Metropolitan Opera in November 1903.
Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.
The ------- of drug-resistant strains of bacteria and viruses has ------- researchers’ hopes that permanent victories against many diseases have been achieved.
Ten cars containing a total of 32 people passed through a checkpoint. If none of these cars contained more than 4 people, what is the greatest possible number of these cars that could have contained exactly 2 people?
One
Two
Three
Four
Five
Hint If each of the ten cars contained exactly 2 people, there would be a total of only 20 people. If nine of the cars contained exactly 2 people, the remaining car could have no more than 4 people, for a total of only 22. What if eight cars contained exactly 2 people? Try to find a pattern.
The following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.
The following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.
Part of the following sentence is underlined; beneath the sentence are five ways of phrasing the underlined material. Select the option that produces the best sentence. If you think the original phrasing produces a better sentence than any of the alternatives, select choice A.
In Costa Rica, coffee, from the highlands, and bananas, produced mainly in the Caribbean lowlands, as the most important crops, they account for nearly half the total value of all exports.
as the most important crops, they account
as the most important crops, which account
are the most important crops, accounting
are the most important of their crops by accounting
have been the most important crops, which accounts