Section: General Aptitude | Marks: 2
Ankita has to climb 5 stairs starting at the ground, while respecting the following rules: 1. At any stage, Ankita can move either one or two stairs up. 2. At any stage, Ankita cannot move to a lower step. Let 𝐹(𝑁) denote the number of possible ways in which Ankita can reach the 𝑁𝑡ℎ stair. For example, 𝐹(1) = 1, 𝐹(2) = 2, 𝐹(3) = 3. The value of 𝐹(5) is _______.
- A. 8
- B. 7
- C. 6
- D. 5
Answer: A. 8