Class 6 Maths Chapter 1 MCQ

NCERT CLASS 6 | MATHEMATICS | GANITA PRAKASH

Q1. What is mathematics largely about?
A) Memorising numbers
B) Searching for patterns and explaining them
C) Learning languages
D) Drawing pictures only

Answer: B) Searching for patterns and explaining them

Q2. Which branch of mathematics studies patterns in whole numbers?
A) Geometry
B) Algebra
C) Number Theory
D) Statistics

Answer: C) Number Theory

Q3. Which of the following is a counting number sequence?
A) 1, 3, 5, 7, 9
B) 2, 4, 6, 8, 10
C) 1, 2, 3, 4, 5
D) 1, 4, 9, 16, 25

Answer: C) 1, 2, 3, 4, 5

Q4. Which of the following represents odd numbers?
A) 2, 4, 6, 8, 10
B) 1, 3, 5, 7, 9
C) 1, 2, 3, 4, 5
D) 4, 8, 12, 16, 20



Answer: B) 1, 3, 5, 7, 9

Q5. What is the next number in the sequence 2, 4, 6, 8, 10, …?
A) 11
B) 12
C) 13
D) 14

Answer: B) 12

Q6. Which of the following is a triangular number sequence?
A) 1, 4, 9, 16, 25
B) 1, 3, 6, 10, 15
C) 2, 4, 6, 8, 10
D) 1, 8, 27, 64, 125



Answer: B) 1, 3, 6, 10, 15

Q7. What is the next triangular number after 15?
A) 18
B) 20
C) 21
D) 25

Answer: C) 21

Q8. Which sequence represents square numbers?
A) 1, 3, 6, 10, 15
B) 1, 4, 9, 16, 25
C) 1, 8, 27, 64, 125
D) 2, 4, 6, 8, 10



Answer: B) 1, 4, 9, 16, 25

Q9. What is the value of 6 squared?
A) 12
B) 18
C) 30
D) 36

Answer: D) 36

Q10. Which of the following represents cube numbers?
A) 1, 4, 9, 16, 25
B) 1, 3, 6, 10, 15
C) 1, 8, 27, 64, 125
D) 2, 4, 8, 16, 32

Answer: C) 1, 8, 27, 64, 125

Q11. What is the cube of 4?
A) 16
B) 32
C) 48
D) 64

Answer: D) 64

Q12. Which sequence is known as Virahanka numbers?
A) 1, 2, 3, 5, 8, 13, 21
B) 1, 3, 5, 7, 9, 11
C) 2, 4, 6, 8, 10
D) 1, 4, 9, 16, 25

Answer: A) 1, 2, 3, 5, 8, 13, 21

Q13. How is each new Virahanka number formed?
A) By multiplying the previous two numbers
B) By adding the previous two numbers
C) By subtracting the previous numbers
D) By dividing the previous numbers

Answer: B) By adding the previous two numbers

Q14. What is the next number in the sequence 1, 2, 4, 8, 16, …?
A) 24
B) 30
C) 32
D) 36

Answer: C) 32

Q15. The sequence 1, 3, 9, 27, 81, … represents:
A) Powers of 2
B) Powers of 3
C) Square numbers
D) Triangular numbers

Answer: B) Powers of 3

Q16. Which number is both a triangular number and a square number?
A) 16
B) 25
C) 36
D) 49

Answer: C) 36

Q17. Why are numbers 1, 3, 6, 10 and 15 called triangular numbers?
A) They form circular patterns
B) They can be arranged in triangular shapes
C) They form rectangular shapes
D) They are all odd numbers

Answer: B) They can be arranged in triangular shapes

Q18. What is the next number in the hexagonal number sequence 1, 7, 19, 37, …?
A) 49
B) 55
C) 61
D) 64

Answer: C) 61

Q19. What is the sum of the first three odd numbers?
A) 6
B) 8
C) 9
D) 12

Answer: C) 9

Q20. What do we get when we add the first four odd numbers?
A) 12
B) 14
C) 16
D) 20

Answer: C) 16

Q21. What is the sum of the first 10 odd numbers?
A) 50
B) 75
C) 100
D) 110

Answer: C) 100

Q22. What is the sum of the first 100 odd numbers?
A) 1000
B) 5000
C) 10000
D) 100000

Answer: C) 10000

Q23. Adding the first n odd numbers gives:
A) A triangular number
B) A square number
C) A cube number
D) An even number

Answer: B) A square number

Q24. What is the result of 1 + 2 + 1?
A) 3
B) 4
C) 5
D) 6

Answer: B) 4

Q25. What is the result of 1 + 2 + 3 + 2 + 1?
A) 7
B) 8
C) 9
D) 10

Answer: C) 9

Q26. What is the result of 1 + 2 + 3 + 4 + 3 + 2 + 1?
A) 14
B) 15
C) 16
D) 18

Answer: C) 16

Q27. What sequence is obtained by adding counting numbers up and then down?
A) Odd numbers
B) Even numbers
C) Square numbers
D) Cube numbers

Answer: C) Square numbers

Q28. What do we get by adding two consecutive triangular numbers?
A) Odd numbers
B) Square numbers
C) Cube numbers
D) Prime numbers

Answer: B) Square numbers

Q29. What is the sum of the first four powers of 2 starting with 1?
A) 12
B) 14
C) 15
D) 16

Answer: C) 15

Q30. What do we get when 1 is added to the sums 1, 3, 7, 15, …?
A) Powers of 2
B) Powers of 3
C) Odd numbers
D) Triangular numbers

Answer: A) Powers of 2

Q31. What is obtained by multiplying triangular numbers by 6 and adding 1?
A) 1, 4, 9, 16, …
B) 7, 19, 37, 61, …
C) 2, 4, 6, 8, …
D) 1, 8, 27, 64, …

Answer: B) 7, 19, 37, 61, …

Q32. Which sequence is obtained by adding hexagonal numbers?
A) Square numbers
B) Triangular numbers
C) Cube numbers
D) Odd numbers

Answer: C) Cube numbers

Q33. Which branch of mathematics studies patterns in shapes?
A) Number Theory
B) Geometry
C) Arithmetic
D) Statistics

Answer: B) Geometry

Q34. What is a polygon with five sides called?
A) Hexagon
B) Pentagon
C) Heptagon
D) Octagon

Answer: B) Pentagon

Q35. How many sides does a hexagon have?
A) 5
B) 6
C) 7
D) 8

Answer: B) 6

Q36. How many sides does a decagon have?
A) 6
B) 7
C) 8
D) 10

Answer: D) 10

Q37. What is meant by a regular polygon?
A) A polygon with unequal sides
B) A polygon with equal sides and equal angles
C) A polygon with curved sides
D) A polygon with no corners

Answer: B) A polygon with equal sides and equal angles

Q38. What number sequence is formed by counting the sides of regular polygons starting with a triangle?
A) 1, 2, 3, 4, 5
B) 2, 4, 6, 8, 10
C) 3, 4, 5, 6, 7, 8
D) 1, 3, 5, 7, 9

Answer: C) 3, 4, 5, 6, 7, 8

Q39. How many line segments are there in the first three stages of the Koch Snowflake sequence?
A) 3, 6, 9
B) 3, 12, 48
C) 1, 4, 16
D) 3, 9, 27

Answer: B) 3, 12, 48

Q40. What happens to the number of line segments at each new stage of the Koch Snowflake?
A) It doubles
B) It triples
C) It becomes four times
D) It remains the same

Answer: C) It becomes four times


Satyam Kharwar is a teacher and the owner of NotesWave.in, providing simple, NCERT-aligned study materials for Classes 6–12.

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