A ribbon repeats the animal pattern shown in this fragment. The 2022nd animal counted from the ribbon’s left end is a crab. Which animal is 10th from that end?
A bag of 8 apples costs 12 dollars and a box of 5 mangoes costs 8 dollars. Only whole bags and boxes are sold. A restaurant buys exactly 34 fruits. What is the cost?
The digits use the displayed calculator style. Thomas forms two-digit numbers. In a mirror, 11 stays unchanged. How many two-digit numbers have this property?
Wendy has identical 7 cm by 5 cm paper rectangles. Gluing two gives a rectangle of width 5 cm and area 66 cm². Gluing ten in the same way gives what area?
Use the intended repeated-overlap construction: each new piece overlaps the previous piece by the same strip, with no triple overlaps.
Kaya’s clothing counts are shown. She wears either one dress, or one T-shirt with one pair of shorts or one pair of jeans. What is the maximum number of different daily outfits?
How many of the first 2023 terms of 1, 1, 2, 3, 5, 8, 13, 21, … are odd? Use the intended rule that each term after the first two equals their two immediate predecessors’ sum.
Henry folds the square twice along the dashed lines and cuts through every layer along the red segments. How many separate pieces result after unfolding?
Micky uses 35 identical cubes in total to make the two shown figures. Painting the whole surface of Figure 1 takes 27 jars. How many jars paint the whole surface of Figure 2 at the same coverage per jar?
Whole surface includes all exposed faces, including the underside.
Oil costs 48 dollars for a 5-litre barrel, 92 for a 10-litre barrel, and 210 for a 25-litre barrel. To average exactly 9 dollars per litre, what is the least total number of whole barrels to buy?