IBPS-CSA · Quantitative Aptitude

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

IBPS CSA practice check: What is the least common multiple of the consecutive numbers 29 and 30?

  1. 899
  2. 840
  3. 929
  4. 870
Check answer and explanation +
D — 870

Consecutive integers are coprime, so their LCM is their product: 29 × 30 = 870. The displayed answer was independently recomputed during publication.

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

IBPS CSA high-priority drill: What is the least common multiple of the consecutive numbers 30 and 31?

  1. 899
  2. 991
  3. 930
  4. 960
Check answer and explanation +
C — 930

Consecutive integers are coprime, so their LCM is their product: 30 × 31 = 930. The displayed answer was independently recomputed during publication.

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

IBPS CSA foundation revision: What is the least common multiple of the consecutive numbers 31 and 32?

  1. 1055
  2. 992
  3. 1023
  4. 960
Check answer and explanation +
B — 992

Consecutive integers are coprime, so their LCM is their product: 31 × 32 = 992. The displayed answer was independently recomputed during publication.

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

IBPS CSA speed-building set: What is the least common multiple of the consecutive numbers 32 and 33?

  1. 1056
  2. 1088
  3. 1023
  4. 1121
Check answer and explanation +
A — 1056

Consecutive integers are coprime, so their LCM is their product: 32 × 33 = 1056. The displayed answer was independently recomputed during publication.

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

IBPS CSA accuracy checkpoint: What is the least common multiple of the consecutive numbers 33 and 34?

  1. 1155
  2. 1088
  3. 1189
  4. 1122
Check answer and explanation +
D — 1122

Consecutive integers are coprime, so their LCM is their product: 33 × 34 = 1122. The displayed answer was independently recomputed during publication.

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