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A meteorology program uses the following algorithm to categorize wind speed readings in knots.

Figure 1

1      ws ← USERINPUT
2      IF NOT(ws < 35) AND ws MOD 2 = 0 THEN
3          OUTPUT "Gale"
4      ELSEIF ws >= 15 AND ws < 25 THEN
5          OUTPUT "Breeze"
6      ELSEIF ws MOD 4 = 0 THEN
7          OUTPUT "Calm"
8      ELSE
9          OUTPUT "Squall"
10     ENDIF

Which wind speed value input by the user would result in "Calm" being output by the algorithm?

$16$

$30$

$28$

$36$

Programming concepts Questions

Practise AQA GCSE Computer Science Programming concepts with exam-style questions for GCSE Computer Science. 100 questions, matched to the AQA GCSE Computer Science (8525) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.