Beginning with 5, a sequence is formed by repeatedly applying these operations in order: add 4, multiply by 2, and subtract 3. What is the seventh displayed number when the starting number is counted as the first?
- 35
- 36
- 37
- None of these
Explanation
Starting number 5 is counted as 1st.
Apply the 3 operations in order repeatedly:
1. 1st = 5 (starting number)
2. 2nd = 5 + 4 = 9
3. 3rd = 9 × 2 = 18
4. 4th = 18 - 3 = 15
5. 5th = 15 + 4 = 19
6. 6th = 19 × 2 = 38
7. 7th = 38 - 3 = 35
The 7th displayed number is 35.
Last verified on 20-10-2026
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