Every year around July, Vasan watches for migrating birds in the sky. There are only 2 species of bird known to migrate across Vasan’s area during the month of July: The black-beaked wagtail and the common swallow. Vasan: Compared to last year, I’ve seen double the amount of swallows migrating in July whilst the amount of black-beaked wagtails has halved. Lucinda: Interesting, I guess this means the swallows must have out-competed the black-beaked wagtails for the same food source and caused their population to decline as a result. Which of the following is NOT a mistake that Lucinda made?
On the island of Charco, the 3 main languages spoken by the population are Neetay, Miani and Ottling. These language share certain similarities and differences. When referring to any kind of drink, the languages Neetay and Miani share the exact same vocabulary. When referring to any kind of food, the languages Miani and Ottling share the exact same vocabulary. The languages of Neetay and Ottling share most of their vocabulary. No single word is shared across the vocabulary of all three languages. Which of the following is NOT possible?
Jinny runs an experiment to assess whether the amount of coffee people drink will cause them to sleep more at night. She decides to split her friends up into a group who will drink 1 cup of coffee per day and Another group who will drink 1 cup of tea per day. The only other drinks the participants were allowed was water. Over the course of the following week, she records the amount of sleep each participant had. At the end she finds that there is no difference in the average amount of sleep Each participant in the 2 different groups had per night. Jinny: Clearly, coffee does not have any effect on how much time people will spend sleeping per night. Which of the following sentences shows the mistake Jinny has made?
Mrs. Walker’s class recently completed a set of exams in the subjects of Maths, Reading and Science. The scores achieved are shown below: Which student performed the 2nd best in the class?
The floors in Peter’s house are covered with square tiles with the pattern on the tile as shown below. If every four tiles are horizontally and vertically reflected, which of the following is a possible arrangement of the floor tiles in Peter’s house?
Abigail, Brandon, Cassie and Darren all look at the same structure from different angles and Describe it to an artist. Below is the artist’s drawing of each person’s described perspective: One of the perspectives above is inaccurate and is not possible based on the other three perspectives. Whose perspective was inaccurate?