Suppose there are three light switches outside a room. Inside is a single light bulb, controlled by one of the three switches. You need to determine which switch operates the bulb. You can turn the switches on and off as many times as you wish (they are all off to begin with), but may only enter the room once. There is no one there to help you. The door to the room is closed, and there are no windows, so you cannot see inside. How can you discover which switch operates the bulb?
Submitted by: AdministratorDo the following steps:
☛ 1. Turn ON two switches, and leave one OFF.
☛ 2. Wait a few minutes.
☛ 3. Turn one switch from ON to OFF. One is now ON and two are OFF
☛ 4. Enter the room. - If the light is ON, it is controlled by the switch you left ON. - If the light bulb is OFF, touch it. If it is warm it is controlled by the switch you turned ON and OFF. If it is cold, it is controlled by the switch you never turned on.
Submitted by: Administrator
☛ 1. Turn ON two switches, and leave one OFF.
☛ 2. Wait a few minutes.
☛ 3. Turn one switch from ON to OFF. One is now ON and two are OFF
☛ 4. Enter the room. - If the light is ON, it is controlled by the switch you left ON. - If the light bulb is OFF, touch it. If it is warm it is controlled by the switch you turned ON and OFF. If it is cold, it is controlled by the switch you never turned on.
Submitted by: Administrator
Read Online Ground Wood Pulp Tester Job Interview Questions And Answers
Top Ground Wood Pulp Tester Questions:
| ☺ | What have you done to improve your skills over the past year As Ground Wood Pulp Tester? |
| ☺ | What are your personal skills which make you a candidate for the position As Ground Wood Pulp Tester? |
| ☺ | Have you ever you have been in a position As Ground Wood Pulp Tester where you've had to fire someone? How did you feel about that experience? |
| ☺ | How long do you want to work for us if we hire you? |
Top Testing Categories
| ☺ | Manual Testing Interview Questions. |
| ☺ | Rational TestSuite Interview Questions. |
| ☺ | QTP Interview Questions. |
| ☺ | Database Testing Interview Questions. |
| ☺ | Software QA Interview Questions. |
