- A12
- B11
- C10
- D22
Step-by-Step Solution
Composite numbers from 1 to 20 are 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20 — that is 11 numbers.
Answer: B) 11
How many composite numbers are there between 1 and 20?
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