单选
A spy agency has a secret communication system which uses the following excerpt from a book:
“Once, there were two brothers born nine months apart in the same room of the same hospital in the same manner—the protracted period of ill-timed contractions, the doctor in blue scrubs and white mask, the late-night crowning, the father’s kiss, the death of the mother.”
A coded message is formed by giving a sequence of numbers. Each number represents the letter in each position of that number in the excerpt. For example, 2 would represent n and 6 would represent h;
Sammy wants to code a message saying “consort”. Which of the following codes could represent this message?
单选
Alex, Polly, Justine and Raymond are siblings. Their parents have told them that they will not be allowed to have ice-cream for dessert if they have not finished their dinner.
Justine: “Alex is eating dessert, therefore, he must have finished his dinner.”
Raymond: “Polly ate her dinner, therefore, she will have ice-cream for dessert.”
If the information above is true, whose reasoning is correct?
单选
Some sets of three-letter words can be ordered so that the last letter of each word is the same as the first letter of the next word.
For example: CAT, TAP, PEN, NAP, PIT, TEA
Another set of words is shown below, however, one word is missing and the words are not ordered properly:
NAG, LIP, DIP, RUT, GAL, TAN
Which one of the following could be the missing word from this set?
单选
In an Atlantic City casino, there are five different chips, each with different values: red, green, blue, white and black.10 reds are worth 1 green. 5 greens are worth 1 blue. 2 blues are worth 1 white. 5 whites are worth 1 black.
Ifa red chip is worth 10c, how much is a black chip worth?
单选
Yelena thinks we should all buy recycled white paper instead of regular white paper for
Printing. “I read that recyclable paper is made of 80% recycled materials, meaning that only
1/5 of the amount of deforestation is required to produce the same amount of paper,” says
Yelena. “Therefore, to aid the environmental health in the long run, we should only use recycled paper.”
Which one of these statements, if true, most weakens Yelena’s argument?
单选
Oz-tag, touch football and rugby league are very similar sports which require very similar skillsets.
● Anyone who can play oz-tag can play touch football.
● Anyone who can play rugby league can play touch football.
Wesley: “Seamus is on a competitive touch football team, therefore, he can also play oz-tag and rugby league.”
Terry: “Holly cannot play oz-tag, therefore, she can not play touch football either.”
If the information above is true, whose reasoning is correct?
单选
A small musician called Mark wants to go on tour in the United States of America. However, the tour will be cancelled by his producer if he only has shows in 15 states or less. On top of this, he must run at least 2 shows in each state he visits.
Rebecca: “As long as Mark has 30 shows, the tour will go ahead.”
Niles: “If the tour is cancelled, it must be because Mark must not have had shows in enough states.”
If the information in the box is true, whose reasoning is correct?
单选
The most effective way of preventing airborne diseases from spreading is to practice proper
Handwashing, particularly after sneezing or coughing and before touching your face, food, or other people. This helps to mitigate the spread of pathogenic microbes that may be present on your hands, which can then be transferred onto surfaces or other people via physical contact.
Which one of these statements, if true, most weakens the above argument?
单选
Beavers often build dams and lodges in lakes, rivers and large streams. Due to the way their lodges are designed, they require a water level of at least 0.6m to prevent their underwater
Entrances from being blocked by ice during the winter. If the water level is not sufficient, only then will they build dams. After constructing dams, they will construct lodges. If they don’t
Require dams, they will construct lodges straight away.
Lalo: “That lake is 0.7m deep, therefore, there must be beaver lodges in that lake.”
Kristina: “That river is 0.8m deep, therefore, there must be no beaver dams in that river. ”
If the information above is true, whose reasoning is correct?