Monday's answer

Dwarf chameleons born for first time in UK

1. 6 two pence coins are longer ( 6 x 25mm = 150mm compared with 4 x 35mm = 140mm)

2. By 10mm ( 150mm - 140mm = 10mm)

3. 27 months ( 36 months - 9 months = 27)

Tuesday's answer

Check out the world's tallest roller coaster!

1. 33m taller ( 128m - 95m = 33m)

2. 5 maximum ( 5 x 17sec = 85 seconds out of a possible 90 seconds)

3. 20p per second ( £3.40 ÷ 17 seconds = 20p)

Wednesday's answer

Zero-G 'vomit comet' rides offered to public

1. It will fall 2500m ( 100m x 25 seconds)

2. 4815m ( 7315m - 2500m = 4815m)

Thursday's answer

Lack of sleep is making kids ill

Solution is   25% of (20 x 15) - (60 + 40) = 50

Friday's answer

Row over S Club's earnings

1. Average number of No1 hits - 1 per year

2. Average number of album sales  3 000 000 annual

3. Average income per band member - £150 000 annual

4. Simon Fuller income from band - £12.5 million annual