GATE · General Aptitude · Quantitative

LCM questions with answers

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

PRACTICE PREVIEW

Five questions to begin your revision

Open each answer only after choosing your own response.

01Medium · ✓ Verified answer

GATE practice check: What is the least common multiple of the consecutive numbers 36 and 37?

  1. 1332
  2. 1368
  3. 1295
  4. 1405
Check answer and explanation +
A — 1332

Consecutive integers are coprime, so their LCM is their product: 36 × 37 = 1332. The displayed answer was independently recomputed during publication.

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

GATE high-priority drill: What is the least common multiple of the consecutive numbers 37 and 38?

  1. 1443
  2. 1368
  3. 1481
  4. 1406
Check answer and explanation +
D — 1406

Consecutive integers are coprime, so their LCM is their product: 37 × 38 = 1406. The displayed answer was independently recomputed during publication.

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

GATE foundation revision: What is the least common multiple of the consecutive numbers 38 and 39?

  1. 1443
  2. 1559
  3. 1482
  4. 1520
Check answer and explanation +
C — 1482

Consecutive integers are coprime, so their LCM is their product: 38 × 39 = 1482. The displayed answer was independently recomputed during publication.

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

GATE speed-building set: What is the least common multiple of the consecutive numbers 39 and 40?

  1. 1639
  2. 1560
  3. 1599
  4. 1520
Check answer and explanation +
B — 1560

Consecutive integers are coprime, so their LCM is their product: 39 × 40 = 1560. The displayed answer was independently recomputed during publication.

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

GATE accuracy checkpoint: What is the least common multiple of the consecutive numbers 40 and 41?

  1. 1640
  2. 1680
  3. 1599
  4. 1721
Check answer and explanation +
A — 1640

Consecutive integers are coprime, so their LCM is their product: 40 × 41 = 1640. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · LCM; mapped to the published GATE 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 LCM question →