DSSSB · Arithmetical and Numerical Ability

HCF questions with answers

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Five questions to begin your revision

Open each answer only after choosing your own response.

01Medium · ✓ Verified answer

DSSSB recruitment practice check: What is the highest common factor of 175 and 210?

  1. 70
  2. 34
  3. 35
  4. 36
Check answer and explanation +
C — 35

175 = 35 × 5 and 210 = 35 × 6. Since 5 and 6 are coprime, the HCF is 35. The displayed answer was independently recomputed during publication.

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

DSSSB recruitment high-priority drill: What is the highest common factor of 180 and 216?

  1. 35
  2. 36
  3. 37
  4. 72
Check answer and explanation +
B — 36

180 = 36 × 5 and 216 = 36 × 6. Since 5 and 6 are coprime, the HCF is 36. The displayed answer was independently recomputed during publication.

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

DSSSB recruitment foundation revision: What is the highest common factor of 185 and 222?

  1. 37
  2. 38
  3. 74
  4. 36
Check answer and explanation +
A — 37

185 = 37 × 5 and 222 = 37 × 6. Since 5 and 6 are coprime, the HCF is 37. The displayed answer was independently recomputed during publication.

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

DSSSB recruitment speed-building set: What is the highest common factor of 190 and 228?

  1. 39
  2. 76
  3. 37
  4. 38
Check answer and explanation +
D — 38

190 = 38 × 5 and 228 = 38 × 6. Since 5 and 6 are coprime, the HCF is 38. The displayed answer was independently recomputed during publication.

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

DSSSB recruitment accuracy checkpoint: What is the highest common factor of 195 and 234?

  1. 78
  2. 38
  3. 39
  4. 40
Check answer and explanation +
C — 39

195 = 39 × 5 and 234 = 39 × 6. Since 5 and 6 are coprime, the HCF is 39. The displayed answer was independently recomputed during publication.

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

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