wisely and smartly - Riddles Quiz Num 39

Are you a genius? prove it by answering these 8 tricky riddles.
Tricky English Riddles With Answers To Test Your Brain IQ.
In this video, I have a set of 8 questions to test your brain IQ. You have 20 seconds for each question. Try to answer before the time expires.
You may pause the video if you need more time.
Wish you the best of luck!
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[@stevieb125]

How can 'Alga' be read the same forwards and backwards? If you read it backwards you get 'agla'.