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Problem number 1: Each triangle in the figure below has 3 dots. Study the pattern and find the number of dots for 7 layers of triangles. Answer: 1 layer 2 layers 3 layers 4 layers 3 dots 6 dots 10 dots 15 dots Problem number 2: What is 5 x 4 - 3 + 2 + 1 X 0 =? Answer: Problem number 3: The figure below shows the roads linking cities R and S. How many different routes to travel from R to S? R Answer:Problem number 4: Complete the magic square below by filling up the numbers 3-11. The sum is 21. 8 4 15 Answer: 3 7 5 6Problem number 5: Which number replaces the question mark? 25 36 Answer: 81 64 49 Problem number 6: Move 1 to make the equation right Answer: Problem number 7: By using your numerical and logical reasoning skills please try to figure out which number is missing in the questions below. The numbers around will give you the clues you need to solve the puzzle. 6 8 3 3 Answer: 2 8 3 9Problem number 8: Seven ex-schoolmates had a gathering. Each one of them shook hands with all others once. How many handshakes were there? Answer: Problem number 9: The figure shows a series of rectangles where each rectangle is bounded by 10 dots. Answer: Problem number 10: Three days ago, yesterday was the day before Sunday. What day will it be tomorrow