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CTET Time — practice questions — page 3

Explore 66 free Time questions in CTET Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Time questions and exercises with answers

Showing questions 61–66 of 66.

In a pure lunar calendar like the Islamic one, how many days does a year have?Read the answer and worked solution →Why does the Islamic New Year fall on a different Gregorian date each year?Read the answer and worked solution →In the 19-year Metonic cycle, how many years have 13 lunar months?Read the answer and worked solution →The anomalistic month measures the Moon's trip between which two points?Read the answer and worked solution →Hebrew, Hellenic and Islamic calendars began a month with what sight?Read the answer and worked solution →Why is a synodic month longer than a sidereal month?Read the answer and worked solution →

Worked practice questions

In a pure lunar calendar like the Islamic one, how many days does a year have?

  1. 354 or 355
  2. 365 or 366
  3. 360 or 361
  4. 384 or 385
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Correct answer: A. 354 or 355

1. Such a year has 12 lunar months. 2. 12 x 29.53 is about 354.4 days, so years are 354 or 355 days long. 3. 365 or 366 days belongs to the solar year. _Source: Wikipedia, Month, Calendrical consequences_

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Why does the Islamic New Year fall on a different Gregorian date each year?

  1. Its year is short
  2. Its year is long
  3. It follows leap seconds
  4. It skips February
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Correct answer: A. Its year is short

1. An Islamic year is about 11 days shorter than a solar year. 2. So its New Year moves earlier through the Gregorian calendar. 3. It does not depend on leap seconds or February. _Source: Wikipedia, Month, Calendrical consequences_

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In the 19-year Metonic cycle, how many years have 13 lunar months?

  1. 3
  2. 12
  3. 19
  4. 7
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Correct answer: D. 7

1. 12 years have 12 lunar months. 2. The remaining 19 - 12 = 7 years have 13 lunar months. 3. Check: 12 x 12 + 7 x 13 = 235 lunations, which is about 19 years. _Source: Wikipedia, Month, Calendrical consequences_

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