Brain Teaser !
5 winners will get $30 USDT each!
How to participate:
1⃣ Follow
@Four_FORM_
2⃣ ❤ RT
3⃣ Drop your answer & tag 3 friends
Question:
In a room, there are three switches outside
and one light bulb inside.
You may enter the room only once.
Which action guarantees you can identify the correct switch?
A. Flip one switch and wait
B. Flip two switches, wait, then enter
C. Flip one switch, turn it off, flip another, then enter
D. Flip all switches, then enter
GOOD LUCK!
#Four #FourCommunity #Giveaway