MCQ Class 9 Maths Ganita Manjar Chapter 3 The World of Numbers

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1. The earliest method used by humans to count objects was based on

Question 1 of 20

2. Natural numbers begin from

Question 2 of 20

3. The Lebombo Bone is believed to be used for

Question 3 of 20

4. The Ishango bone shows knowledge of

Question 4 of 20

5. The decimal place-value system was perfected in

Question 5 of 20

6. Zero was formally defined as a number by

Question 6 of 20

7. According to Brahmagupta, a – a equals

Question 7 of 20

8. When zero is added to any number, the result is

Question 8 of 20

9. Multiplying any number by zero gives

Question 9 of 20

10. Negative numbers represent

Question 10 of 20

11. Positive numbers represent

Question 11 of 20

12. The set of integers includes

Question 12 of 20

13. (–3) × 4 equals

Question 13 of 20

14. (–3) × (–4) equals

Question 14 of 20

15. A fraction represents

Question 15 of 20

16. Rational numbers are expressed in the form

Question 16 of 20

17. In p/q, q cannot be

Question 17 of 20

18. 5 can be written as

Question 18 of 20

19. Equivalent fractions have

Question 19 of 20

20. Rational numbers are closed under

Question 20 of 20


 

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