20 mg - 1 mg = ___.
20 mg - 1 mg.
This is a direct question
∴ Subtract 1 mg from 20 mg.
= 20 mg - 1 mg.
= 19 mg.
Answer = option c 19 mg
Subtract: 20 mg - 1 mg
The length of the longest pole that can be kept in a room (12 m×9 m×8 m) is
(a) 29 m (b) 21 m (c) 19 m (d) 17 m