Answer:
3/8.
Step-by-step explanation:
If you draw a tree diagram, it will make it easier.
For first draw, there is 10/16 chance of drawing red.
In the second draw, if not replaced, there is 9/15 chance of drawing red as one red is already drawn with 9 red beads left.
So, 10/16*9/15=3/8.
