Class 9 Mathematics · Chapter 1 · Test 1
Rational and Irrational Numbers
34 MCQs
34 questions · 30 min · 34 marks
Sample questions
The first 5 of 34. Try each one, then tap to see the answer.
Question 1
Which ancient civilization used a sexagesimal number system?
- AEgyptians
- BSumerians
- CRomans
- DIndians
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Answer: B
Sumerians used a base-60 counting system.
Question 2
The Sumerian number system was based on which number?
- A10
- B12
- C60
- D100
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Answer: C
Sexagesimal means base 60.
Question 3
Which number system was used by ancient Egyptians?
- ABinary
- BDecimal
- CHexadecimal
- DSexagesimal
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Answer: B
Egyptians used a base-10 decimal system.
Question 4
Which civilization used Roman numerals?
- ASumerians
- BIndians
- CRomans
- DEgyptians
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Answer: C
Roman numerals were used in ancient Rome and later Europe.
Question 5
How many basic letters are used in Roman numerals?
- AFive
- BSix
- CSeven
- DNine
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Answer: C
The seven symbols are I V X L C D and M.
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