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Week 1: Mathematical Thinking Puzzles
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Week 2
Billiard Ball Problem
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Week 3
Gerrymandering Part 2
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Week 4
Puzzles and Problem Solving
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The Mystery of 89
DIY Challenge 1: Pay with the coins
You have coins of ₹1, ₹2, ₹3 and ₹5. You need to pay a total amount of ₹35.
You should use a total of exactly 10 coins.
How many ways can you find to do so?