Number Series Questions and Answers
Practice ModeShowing 10 of 25 questions
Q1
What comes next in the series: 2, 6, 12, 20, 30, ?
Answer: Option B
Explanation: The pattern is: +4, +6, +8, +10, +12. So 30 + 12 = 42
Q2
Find the next number: 3, 8, 15, 24, 35, ?
Answer: Option B
Explanation: The pattern is: +5, +7, +9, +11, +13. So 35 + 13 = 48
Q3
What is the next number: 5, 11, 24, 51, 106, ?
Answer: Option B
Explanation: Pattern: ×2+1, ×2+2, ×2+3, ×2+4, ×2+5. So 106×2+5=217
Q4
Find the missing number: 2, 5, 10, 17, 26, ?
Answer: Option B
Explanation: Pattern: +3, +5, +7, +9, +11. So 26 + 11 = 37
Q5
What comes next: 1, 4, 9, 16, 25, ?
Answer: Option B
Explanation: Pattern: Squares of natural numbers: 1², 2², 3², 4², 5², 6²=36
Q6
Find the next number: 8, 12, 18, 27, 40.5, ?
Answer: Option B
Explanation: Pattern: ×1.5 each time. So 40.5 × 1.5 = 60.75
Q7
What is the next number: 1, 3, 7, 15, 31, ?
Answer: Option B
Explanation: Pattern: ×2+1 each time. So 31×2+1=63
Q8
Find the missing number: 64, 32, 16, 8, 4, ?
Answer: Option B
Explanation: Pattern: ÷2 each time. So 4 ÷ 2 = 2
Q9
What comes next: 2, 3, 5, 7, 11, 13, ?
Answer: Option B
Explanation: Pattern: Prime numbers in sequence. Next prime after 13 is 17
Q10
Find the next number: 1, 1, 2, 3, 5, 8, 13, ?
Answer: Option B
Explanation: Pattern: Fibonacci series (sum of previous two numbers). So 8+13=21