- Cognitive Assessment Number Series Problems Flashcards
6 cards from real PI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 - Cognitive Assessment Number Series Problems flashcards as text
What comes next: 3, 6, 12, 24, 48, ___?
Answer: 96
Each number is doubled: 3×2=6, 6×2=12, 12×2=24, 24×2=48, 48×2=96.
What comes next: 1, 1, 2, 3, 5, 8, ___?
Answer: 13
This is the Fibonacci sequence: each number is the sum of the two preceding numbers. 5+8=13.
What comes next: 100, 81, 64, 49, 36, ___?
Answer: 25
These are perfect squares in descending order: 10², 9², 8², 7², 6², 5²=25.
What comes next: 2, 6, 18, 54, ___?
Answer: 162
Each number is multiplied by 3: 2×3=6, 6×3=18, 18×3=54, 54×3=162.
What comes next: 5, 10, 8, 16, 14, 28, ___?
Answer: 26
The pattern alternates: ×2, then −2. 5×2=10, 10−2=8, 8×2=16, 16−2=14, 14×2=28, 28−2=26.
What comes next: 1, 4, 9, 16, 25, 36, ___?
Answer: 49
These are consecutive perfect squares: 1², 2², 3², 4², 5², 6², 7²=49.