At a concert, 240 singers stand on risers in rows of 12. Just before the start, 5 of the rows are taken away, and the singers from those rows spread out equally across the rows that are left. How many singers are now in each row?
Ella makes a pattern of figures from square tiles. The table shows how many tiles each of the first four figures uses: Figure 1 uses 6, Figure 2 uses 10, Figure 3 uses 14 and Figure 4 uses 18. If the pattern keeps going in the same way, which figure uses exactly 162 tiles?
A rectangular garden bed is 9 m long and 5 m wide. Omar uses exactly the same length of edging to make a square garden bed instead. How many more square metres of garden does the square bed have than the rectangular bed?
A pentagon (a five-sided shape) has three right angles. Its other two angles are different sizes: one is 30° larger than the other. What is the size of the smaller of these two angles?
The column graph shows how many kilograms of food scraps six classes collected for the school compost bins in one week: 3K 12 kg, 4K 8 kg, 4P 15 kg, 5A 9 kg, 5B 14 kg and 6R 8 kg. What is the difference between the mean and the median amount collected?
The lockers in a school corridor are numbered 1 to 100. A sticker goes on every locker whose number is a multiple of 3, except lockers whose number is also a multiple of 5. How many lockers get a sticker?
Six cards spell the word PEPPER, one letter on each card. Zara takes two of the cards at random at the same time. What is the probability that both cards show the same letter?