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Tuesday, 20 January 2026

CTET Mathamatics, LCF and LCM Questions asked in Previous Exams 2011-2024 30Questions (Paper 1)

CTET Mathamatics, LCF and LCM Questions asked in Previous Exam 30Questions (Paper 1, 1 to 30 out of 100) Asked in Previous papers 2011-2024
Your Score is : 0 / 30
Made with ❤ by Rafeeque Ansari
HCF and LCM Quiz
CTET Previous Year Questions (2012-2021)

Question 1: HCF of 12, 15, 21 is [CTET 2012]

  • A. 1
  • B. 2
  • C. 3
  • D. 5

Question 2: LCM of 4, 6, 8 is [CTET 2013]

  • A. 12
  • B. 24
  • C. 36
  • D. 48

Question 3: Product of two numbers = 240, HCF = 4, then LCM = [CTET 2014]

  • A. 40
  • B. 50
  • C. 60
  • D. 70

Question 4: Three bells ring at intervals 8, 12, 16 minutes. Together after [CTET 2015]

  • A. 24
  • B. 48
  • C. 36
  • D. 60

Question 5: HCF(26, 91) = [CTET 2016]

  • A. 7
  • B. 13
  • C. 26
  • D. 91

Question 6: Two numbers LCM=120, HCF=8, one number=24, other= [CTET 2017]

  • A. 30
  • B. 40
  • C. 50
  • D. 60

Question 7: 3 numbers LCM=360, HCF pairwise=12,18,20. Product= [CTET 2018]

  • A. 4320
  • B. 6480
  • C. 8640
  • D. 12960

Question 8: Frogs jump 15cm, 25cm, 40cm. Meet first at [CTET 2019]

  • A. 100
  • B. 120
  • C. 150
  • D. 200

Question 9: HCF(336, 54) = [CTET 2020]

  • A. 6
  • B. 18
  • C. 27
  • D. 54

Question 10: LCM(5,12,18)= [CTET 2021]

  • A. 90
  • B. 180
  • C. 360
  • D. 540

Question 11: Two lamps flash 15s, 20s interval. Together every [CTET 2013]

  • A. 30
  • B. 35
  • C. 60
  • D. 40

Question 12: Numbers 455, 42. HCF divides 66 also = [CTET 2014]

  • A. 7
  • B. 11
  • C. 13
  • D. 14

Question 13: Product HCF LCM relation? [CTET 2015]

  • A. HCF x LCM
  • B. HCF + LCM
  • C. HCF - LCM
  • D. LCM / HCF

Question 14: 4 bells 9, 12, 15, 18 min. LCM= [CTET 2016]

  • A. 90
  • B. 180
  • C. 360
  • D. 720

Question 15: HCF(867, 255)= [CTET 2017]

  • A. 3
  • B. 9
  • C. 17
  • D. 51

Question 16: Two runners 100m, 150m tracks meet at start every [CTET 2018]

  • A. 200
  • B. 250
  • C. 300
  • D. 500

Question 17: 135=5x3³, 225=3²x5². HCF= [CTET 2019]

  • A. 15
  • B. 45
  • C. 75
  • D. 225

Question 18: Clocks chime 3, 4, 5 hours. Next together [CTET 2020]

  • A. 12
  • B. 15
  • C. 20
  • D. 60

Question 19: HCF(72, 90, 120)= [CTET 2021]

  • A. 6
  • B. 18
  • C. 30
  • D. 36

Question 20: Two numbers ratio 3:4, LCM=180= [CTET 2012]

  • A. 45, 60
  • B. 36, 48
  • C. 54, 72
  • D. 27, 36

Question 21: Wheels rotate 120, 150 rpm. LCM= [CTET 2013]

  • A. 600
  • B. 1200
  • C. 1800
  • D. 2400

Question 22: HCF(96, 404)= [CTET 2014]

  • A. 2
  • B. 4
  • C. 8
  • D. 16

Question 23: Garden path tiles 25cm, 40cm width. LCM= [CTET 2015]

  • A. 100
  • B. 200
  • C. 400
  • D. 800

Question 24: 3 taps fill 10L, 15L, 20L. LCM capacity= [CTET 2016]

  • A. 30
  • B. 60
  • C. 120
  • D. 300

Question 25: HCF(65, 145, 195)= [CTET 2017]

  • A. 5
  • B. 13
  • C. 15
  • D. 65

Question 26: Two trains 36kmph, 54kmph. Meet every [CTET 2018]

  • A. 1hr
  • B. 2hr
  • C. 3hr
  • D. 4hr

Question 27: 84=2²x3x7, 112=2⁴x7. LCM= [CTET 2019]

  • A. 168
  • B. 336
  • C. 672
  • D. 1344

Question 28: Books cost Rs 12, 15, 20. LCM price= [CTET 2020]

  • A. 60
  • B. 120
  • C. 180
  • D. 240

Question 29: HCF(240, 336)= [CTET 2021]

  • A. 16
  • B. 24
  • C. 48
  • D. 80

Question 30: Pipes fill 4L, 6L, 9L per min. LCM= [CTET 2012]

  • A. 18
  • B. 36
  • C. 72
  • D. 108
Your Final Score is : 0 / 30
Made with ❤ by Rafeeque Ansari
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