【QUESTION NO.1】 Move the egg in a glass to the other. (The big caveat to reiterate is that you cannot touch the glasses or the egg.)
【QUESTION NO.2】 11 glasses are upside down. Invert all the glasses in 5 attempts with three at a time.
【QUESTION NO.3】 There are beakers of 300ml and 500ml. How can you measure the exact amount of water of 400ml?
① Invert three glasses.
② Invert one glass and two of inverted glasses.
③ Invert rest of the glasses three at a time in order.
① Pour water of 300ml into beaker with a maximum capacity of 500ml.
② Remaining capacity of the 500ml beaker is 200ml.
③ Fill the beaker of 300ml with water and pour the water into the beaker of 500ml.
④ Remaining water in the 300ml beaker is 100ml.
⑤ Pour the remaining 100ml water into the 500ml beaker.
⑥ Pour water of 300ml into the 500ml beaker.
Jun Hyun-moo, Ha Seok-jin, Kim Ji-seok, Lee Jang-won, Tyler Rasch, and Rap Monster