Cleave Books
Answers to Quick Puzzles 4

1.2 + 2 = 2 x 2 2.Three. One of each.
3.81 square metres. 4.73 cm or 0.73 metres.
13 (the other factor) would be ridiculous
5.Half a square metre. 6.49
7.9814072356
It contains all 10 digits, once and once only.
8.92p a yard (by 0.6p)
9.45 10.52.45 square cm.
11.Each point would be the vertex of regular tetrahedron. 12.20 cm.
13.4.00 cm (to 3 sig. figs) 14.The sum of the even numbers (by 50).
15.9 zeros. 16.7.5 km.
17.24 km. 18.5 (5 + 5 + 5 + 5) = 100
19.Arranged alphabetically by their spelling.
eight, five, four, nine . . . . two, zero.
20.18

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