Which English word has five vowels in a row?
A7 = ___
When Tanvir climbed the Tajingdong mountain, on his way to the top he saw it was raining 11 times. At Tajindong, on a rainy day, it rains either in the morning or in the afternoon; but it never rains twice in the same day. On his way, Tanvir spent 16 mornings and 13 afternoons without rain.
How many days did it take for Tanvir to climb the Tajindong mountain in total?
A8 = ___
You have two rectangular tiles and wish to place them inside the larger square. One tile is blue and red, the other is blue and yellow.
How many different unique patterns can you make?
In this case, treat all rotational symmetries as one unique pattern; just as you would if it was a real tile that you could rotate in your hand.
A9 = ___
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