CTET Mathamatics, LCF and LCM Questions of Previous Exams 2011-2024 (Paper 2)

CTET Mathamatics, LCF and LCM Questions asked in Previous Exam 30Questions (Paper 2) Previous Exam papers 2011-2024

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HCF and LCM Quiz (Set 2)
CTET Practice Questions

Question 1: Ratio 2:3, HCF=5, numbers are [CTET 2013]

• A. 5, 10
• B. 10, 15
• C. 15, 20
• D. 20, 25

Question 2: 3 sprayers 20s, 30s, 40s cycles. Together [CTET 2014]

• A. 60
• B. 120
• C. 180
• D. 240

Question 3: HCF(1001, 910) = [CTET 2015]

• A. 7
• B. 11
• C. 13
• D. 91

Question 4: Two clocks 12hr, 15hr cycles. Next [CTET 2016]

• A. 30
• B. 60
• C. 180
• D. 360

Question 5: 45=3²×5, 60=2²×3×5. HCF= [CTET 2017]

• A. 3
• B. 5
• C. 15
• D. 45

Question 6: Ladders 3m, 4m, 5m. Meet top every [CTET 2018]

• A. 12
• B. 20
• C. 30
• D. 60

Question 7: HCF(156, 180) = [CTET 2019]

• A. 6
• B. 12
• C. 36
• D. 78

Question 8: 4 sprayers 5, 7, 10, 14s. LCM= [CTET 2020]

• A. 70
• B. 140
• C. 210
• D. 280

Question 9: Two numbers LCM=315, HCF=7= [CTET 2021]

• A. 35, 63
• B. 45, 63
• C. 21, 45
• D. 63, 105

Question 10: Fountain sprays 9s, 12s, 15s. Next [CTET 2012]

• A. 36
• B. 45
• C. 60
• D. 180

Question 11: HCF(272, 425) = [CTET 2013]

• A. 1
• B. 17
• C. 25
• D. 85

Question 12: 3 buckets 8L, 12L, 18L. LCM= [CTET 2014]

• A. 24
• B. 36
• C. 72
• D. 144

Question 13: Ratio 4:5, LCM=100. Numbers= [CTET 2015]

• A. 16, 20
• B. 20, 25
• C. 25, 30
• D. 40, 50

Question 14: Clocks strike 4, 6, 9 hr. Next [CTET 2016]

• A. 18
• B. 36
• C. 72
• D. 108

Question 15: HCF(306, 657) = [CTET 2017]

• A. 3
• B. 9
• C. 39
• D. 87

Question 16: Two gears 18t, 24t teeth. Cycle [CTET 2018]

• A. 36
• B. 72
• C. 144
• D. 216

Question 17: 56=2³×7, 88=2³×11. HCF= [CTET 2019]

• A. 7
• B. 8
• C. 11
• D. 88

Question 18: 5 bells 7, 11, 13, 17, 19 min. LCM [CTET 2020]

• A. 17017
• B. 19477
• C. 21937
• D. 24477

Question 19: HCF(945, 1555) = [CTET 2021]

• A. 5
• B. 35
• C. 105
• D. 155

Question 20: Two painters 15m, 25m ropes. Meet [CTET 2012]

• A. 50
• B. 75
• C. 100
• D. 150

Question 21: LCM(9, 12, 15, 18) = [CTET 2013]

• A. 90
• B. 180
• C. 360
• D. 540

Question 22: HCF(48, 72, 96) = [CTET 2014]

• A. 12
• B. 24
• C. 48
• D. 96

Question 23: Three numbers product=1728, HCF=6 [CTET 2015]

• A. 12, 18, 24
• B. 18, 24, 36
• C. 24, 36, 48
• D. 36, 48, 72

Question 24: Water clocks 20s, 30s, 45s. Next [CTET 2016]

• A. 90
• B. 180
• C. 270
• D. 360

Question 25: HCF(234, 396) = [CTET 2017]

• A. 18
• B. 36
• C. 78
• D. 117

Question 26: Two fans 36rpm, 48rpm. Cycle [CTET 2018]

• A. 72
• B. 144
• C. 216
• D. 288

Question 27: 75=3×5², 125=5³. LCM= [CTET 2019]

• A. 150
• B. 250
• C. 375
• D. 625

Question 28: 4 sprayers 8, 12, 18, 24s. LCM= [CTET 2020]

• A. 36
• B. 72
• C. 144
• D. 216

Question 29: HCF(1008, 1664) = [CTET 2021]

• A. 32
• B. 64
• C. 128
• D. 256

Question 30: Find LCM of 15, 25, 30 [CTET Practice]

• A. 75
• B. 150
• C. 225
• D. 300

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