Free notebooks were distributed equally among children of a class. The number of notebooks each child got was one-eighth of the number of children. Had the number of children been half, each child would have got 16 notebooks. Total how many notebooks were distributed?

1. A Option A: 256
2. B Option B: 432
3. C Option C: 512
4. D Option D: 640
5. E Option E: None of these

How we write and check questions