DELEDCET · Numerical Ability

HCF questions with answers

Build accuracy with explanation-led practice, then open a focused search or timed exam drill.

Practise this topic →View DELEDCET guide
PRACTICE PREVIEW

Five questions to begin your revision

Open each answer only after choosing your own response.

01Medium · ✓ Verified answer

HP D.El.Ed CET practice check: What is the highest common factor of 85 and 102?

  1. 17
  2. 18
  3. 34
  4. 16
Check answer and explanation +
A — 17

85 = 17 × 5 and 102 = 17 × 6. Since 5 and 6 are coprime, the HCF is 17. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · HCF; mapped to the published HP D.El.Ed CET quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
02Medium · ✓ Verified answer

HP D.El.Ed CET high-priority drill: What is the highest common factor of 90 and 108?

  1. 19
  2. 36
  3. 17
  4. 18
Check answer and explanation +
D — 18

90 = 18 × 5 and 108 = 18 × 6. Since 5 and 6 are coprime, the HCF is 18. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · HCF; mapped to the published HP D.El.Ed CET quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
03Medium · ✓ Verified answer

HP D.El.Ed CET foundation revision: What is the highest common factor of 95 and 114?

  1. 38
  2. 18
  3. 19
  4. 20
Check answer and explanation +
C — 19

95 = 19 × 5 and 114 = 19 × 6. Since 5 and 6 are coprime, the HCF is 19. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · HCF; mapped to the published HP D.El.Ed CET quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
04Medium · ✓ Verified answer

HP D.El.Ed CET speed-building set: What is the highest common factor of 100 and 120?

  1. 19
  2. 20
  3. 21
  4. 40
Check answer and explanation +
B — 20

100 = 20 × 5 and 120 = 20 × 6. Since 5 and 6 are coprime, the HCF is 20. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · HCF; mapped to the published HP D.El.Ed CET quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
05Medium · ✓ Verified answer

HP D.El.Ed CET accuracy checkpoint: What is the highest common factor of 105 and 126?

  1. 21
  2. 22
  3. 42
  4. 20
Check answer and explanation +
A — 21

105 = 21 × 5 and 126 = 21 × 6. Since 5 and 6 are coprime, the HCF is 21. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · HCF; mapped to the published HP D.El.Ed CET quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
✓

Know what you are practisingVerified and AI-generated records remain labelled separately. Previous-exam claims appear only when the source record supports them.

See every HCF question →
CONTINUE LEARNING

Related DELEDCET topics