You are a surgeon who has to perform 3 operations today, but you only have 2 pairs of gloves (a and b) to perform the operations. Each of the people you are performing surgery on are infectious so you cannot touch any of them or their bodily fluids and they can't touch each other's bodily fluids. How do you perform all 3 operations with only 2 pairs of gloves?
Operation 1. Put pair a on and put pair b on top of pair a Operation 2. Remove pair b Operation 3. Take pair b and put it over pair a inside out
In series 6,4,1,2,2,8,7,4,2,1,5,3,8,6,2,1,7,1,4,1,3,2,8,7,6, how many pairs of successive numbers have a difference of 1 each?
A doctor wants to operate for three different persons who were wounded. But he had only two surgical gloves. There is not any blood contact between the three persons.
How can he operate for the three people with two pair of surgical gloves?
How many different positive numbers (integers) can you make using each of the digits 1, 2, 3, 4, once only, and a take away sign?
Example 31-24, or 413-2
