LCM of 12, 9, 15 = 180 units. Efficiencies: P=15, Q=20, R=12. Combined = 47 units/day.
Time = 47180=34739 days.
CUET UG 2022 — General Test Arithmetic
P, Q and R can complete a work in 12, 9 and 15 days respectively. Working together, they will complete the same work in:
Held on 6 Aug 2022 · Verified 13 Jul 2026.
34739 days
54215 days
34738 days
54739 days
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