Number Sequences and Patterns Flashcards
6 cards from real Civil Service Numerical Reasoning Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Number Sequences and Patterns flashcards as text
What is the next number: 1000, 500, 250, 125, __?
Answer: 62.5
Each term is halved: 125 ÷ 2 = 62.5.
Find the missing number: 2, 6, 12, 20, 30, __?
Answer: 42
Differences: +4, +6, +8, +10, +12. Next = 30 + 12 = 42.
What comes next: 7, 14, 21, 28, 35, __?
Answer: 42
This is the 7 times table — each term increases by 7. 35 + 7 = 42.
What is the missing number: 1, 4, 16, 64, __, 1024?
Answer: 256
Each term is multiplied by 4: 64 × 4 = 256.
Find the missing number: 50, 47, 43, 38, 32, __?
Answer: 25
Differences: −3, −4, −5, −6, −7. Next = 32 − 7 = 25.
What is the next number: 3, 12, 48, 192, __?
Answer: 768
Each term is multiplied by 4: 192 × 4 = 768.