CBSE Class 8 Maths MCQs on Number Patterns and Mathematical Sequences
CBSE Class 8 Maths MCQs on Number Patterns and Mathematical Sequences
Class: 8
Subject: Mathematics
Chapter 5: Number Play
Topic: Number Patterns & Mathematical Sequences
Subject: Mathematics
Chapter 5: Number Play
Topic: Number Patterns & Mathematical Sequences
Strictly Based on CBSE Curriculum | As per NCERT Textbook | Ideal for CBSE Class 8 Examination Preparation
Q1. Find the next number in the pattern: 2, 4, 6, 8, ___
Correct Answer: B) 10
Explanation: The pattern increases by 2 each time (even numbers).
Explanation: The pattern increases by 2 each time (even numbers).
Q2. Find the next number: 3, 6, 12, 24, ___
Correct Answer: B) 48
Explanation: Each term is multiplied by 2.
Explanation: Each term is multiplied by 2.
Q3. Identify the pattern: 5, 10, 15, 20, ___
Correct Answer: B) 25
Explanation: Multiples of 5.
Explanation: Multiples of 5.
Q4. 1, 4, 9, 16, ___
Correct Answer: B) 25
Explanation: Perfect squares: 1², 2², 3², 4², 5².
Explanation: Perfect squares: 1², 2², 3², 4², 5².
Q5. 1, 1, 2, 3, 5, ___
Correct Answer: C) 8
Explanation: Fibonacci sequence.
Explanation: Fibonacci sequence.
Q6. 100, 90, 80, 70, ___
Correct Answer: B) 60
Explanation: Subtracting 10 each time.
Explanation: Subtracting 10 each time.
Q7. 2, 5, 10, 17, ___
Correct Answer: B) 26
Explanation: Pattern: n² + 1 (1²+1,2²+1...).
Explanation: Pattern: n² + 1 (1²+1,2²+1...).
Q8. The pattern 7, 14, 21, 28 is:
Correct Answer: B) Multiples of 7
Explanation: Each term increases by 7.
Explanation: Each term increases by 7.
Q9. 3, 9, 27, ___
Correct Answer: B) 81
Explanation: Multiply by 3 each time.
Explanation: Multiply by 3 each time.
Q10. 4, 9, 14, 19, ___
Correct Answer: B) 24
Explanation: Add 5 each time.
Explanation: Add 5 each time.
Q11. 6, 12, 18, 24, ___
Correct Answer: B) 30
Explanation: Multiples of 6.
Explanation: Multiples of 6.
Q12. 81, 27, 9, ___
Correct Answer: B) 3
Explanation: Divide by 3 each time.
Explanation: Divide by 3 each time.
Q13. 0, 1, 4, 9, 16, ___
Correct Answer: C) 25
Explanation: Squares starting from 0².
Explanation: Squares starting from 0².
Q14. 1, 3, 6, 10, ___
Correct Answer: B) 15
Explanation: Triangular numbers.
Explanation: Triangular numbers.
Q15. 2, 3, 5, 7, 11, ___
Correct Answer: B) 13
Explanation: Prime number sequence.
Explanation: Prime number sequence.
Q16. 5, 15, 45, ___
Correct Answer: C) 135
Explanation: Multiply by 3.
Explanation: Multiply by 3.
Q17. 10, 20, 40, 80, ___
Correct Answer: C) 160
Explanation: Multiply by 2.
Explanation: Multiply by 2.
Q18. 9, 16, 25, 36, ___
Correct Answer: B) 49
Explanation: Consecutive square numbers.
Explanation: Consecutive square numbers.
Q19. 1, 4, 7, 10, ___
Correct Answer: B) 13
Explanation: Add 3 each time.
Explanation: Add 3 each time.
Q20. A sequence formed by adding a fixed number each time is called:
Correct Answer: B) Arithmetic sequence
Explanation: Constant difference between consecutive terms.
Explanation: Constant difference between consecutive terms.
