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

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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

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