SEAMO self-study edition 2027; not an official 2027 paper. Original source years are retained. 25 questions, 90 minutes; Q1–10: 3 points, Q11–20: 4 points, Q21–25: 6 points, total 100. Original response types and all subparts are preserved. Verified is an editorial convention; source defects, necessary assumptions and unresolved mathematical uncertainty are disclosed.
What number between 37 and 47 is exactly divisible by both 2 and 3?
Three students had 88, 87 and 92 stickers, respectively. A fourth student joined the group and gave some stickers to each of them. In the end, everyone had 95 stickers. How many stickers did the fourth student have at first?
Town A and Town B are 650 km apart. At 9:00 AM, a truck leaves Town A for Town B and a car leaves Town B for Town A. The truck travels 60 km in one hour and the car travels 70 km in one hour. At what time do the vehicles pass each other?
Treat both vehicles as travelling towards each other along the same route at the stated constant speeds.
A box contains four balls of different colours (red, green, yellow and blue) in a row. The green ball is not second. The red ball is neither first nor last. The yellow ball is next to neither the red nor the blue ball. What is their order from first to last? Use B = blue, R = red, G = green and Y = yellow.
