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PIMSO 2025 - Mathematics - Secondary 4 - National Round Question 30

PIMSO Maths · PIMSO 2025 - Mathematics - Secondary 4 - National Round

Question 30

The A robot is programmed to climb a ramp made of 2025 small platforms. For the first 15 platforms, it can be programmed to make either 1-step or 2-step moves at a time. After the 15th platform, it can only move 1 step at a time due to safety restrictions. In how many different ways can the robot reach the final platform at the top of the ramp?
  1. 610
  2. 987
  3. 1440
  4. 2025