01Medium · ✓ Verified answer
UPSC Civil Services CSAT practice check: What is the least common multiple of the consecutive numbers 4 and 5?
- 20
- 24
- 15
- 29
Check answer and explanation +
A — 20Consecutive integers are coprime, so their LCM is their product: 4 × 5 = 20. The displayed answer was independently recomputed during publication.
Source: NCERT Mathematics Classes VI–X · LCM; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question. 02Medium · ✓ Verified answer
UPSC Civil Services CSAT high-priority drill: What is the least common multiple of the consecutive numbers 5 and 6?
- 35
- 24
- 41
- 30
Check answer and explanation +
D — 30Consecutive integers are coprime, so their LCM is their product: 5 × 6 = 30. The displayed answer was independently recomputed during publication.
Source: NCERT Mathematics Classes VI–X · LCM; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question. 03Medium · ✓ Verified answer
UPSC Civil Services CSAT foundation revision: What is the least common multiple of the consecutive numbers 6 and 7?
- 35
- 55
- 42
- 48
Check answer and explanation +
C — 42Consecutive integers are coprime, so their LCM is their product: 6 × 7 = 42. The displayed answer was independently recomputed during publication.
Source: NCERT Mathematics Classes VI–X · LCM; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question. 04Medium · ✓ Verified answer
UPSC Civil Services CSAT speed-building set: What is the least common multiple of the consecutive numbers 7 and 8?
- 71
- 56
- 63
- 48
Check answer and explanation +
B — 56Consecutive integers are coprime, so their LCM is their product: 7 × 8 = 56. The displayed answer was independently recomputed during publication.
Source: NCERT Mathematics Classes VI–X · LCM; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question. 05Medium · ✓ Verified answer
UPSC Civil Services CSAT accuracy checkpoint: What is the least common multiple of the consecutive numbers 8 and 9?
- 72
- 80
- 63
- 89
Check answer and explanation +
A — 72Consecutive integers are coprime, so their LCM is their product: 8 × 9 = 72. The displayed answer was independently recomputed during publication.
Source: NCERT Mathematics Classes VI–X · LCM; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.