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CTET Fractions — practice questions — page 4

Explore 96 free Fractions questions in CTET Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Fractions questions and exercises with answers

Showing questions 91–96 of 96.

Who introduced decimal fractions in the booklet De Thiende (1585)?Read the answer and worked solution →Which Persian mathematician advanced decimal fractions in the 15th century?Read the answer and worked solution →Which mathematician's 5th century work gave a 7-digit approximation of pi?Read the answer and worked solution →In which century did positional decimal fractions first appear in an Arab book?Read the answer and worked solution →Which statement about 3.14 and pi is true?Read the answer and worked solution →Decimal numerals approximate every real number to how much accuracy?Read the answer and worked solution →

Worked practice questions

Who introduced decimal fractions in the booklet De Thiende (1585)?

  1. Simon Stevin
  2. John Napier
  3. Al-Kashi
  4. Zu Chongzhi
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Correct answer: A. Simon Stevin

1. De Thiende was published in Dutch in 1585. 2. Simon Stevin wrote it, a forerunner of European decimal notation. 3. Napier introduced the decimal point later, Al-Kashi was 15th century and Zu Chongzhi 5th century. _Source: Wikipedia, Decimal, section History of decimal fractions_

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Which Persian mathematician advanced decimal fractions in the 15th century?

  1. Jamshid al-Kashi
  2. Immanuel Bonfils
  3. Al-Khwarizmi
  4. John Napier
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Correct answer: A. Jamshid al-Kashi

1. The 15th century work The Key to Arithmetic treated decimal fractions systematically. 2. Its author was the Persian mathematician Jamshid al-Kashi. 3. Bonfils used decimals around 1350 without notation, Al-Uqlidisi was 10th century, and Napier was later. _Source: Wikipedia, Decimal, section History of decimal fractions_

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Which mathematician's 5th century work gave a 7-digit approximation of pi?

  1. Zu Chongzhi
  2. Al-Khwarizmi
  3. Jamshid al-Kashi
  4. Simon Stevin
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Correct answer: A. Zu Chongzhi

1. The 5th century CE Chinese mathematician is the one named. 2. Zu Chongzhi calculated a 7-digit approximation of pi. 3. Al-Khwarizmi, Al-Kashi and Stevin belong to later centuries. _Source: Wikipedia, Decimal, section History of decimal fractions_

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