12 workers can complete a work in 20 days. if 3 more workers join by what percentage will the completion time decrease?
ক) 15%
খ) 20%
গ) 25%
ঘ) 30%
Related Questions
ক) 30°
খ) 45°
গ) 60°
ঘ) 90°
ক) 1/2
খ) 1/4
গ) 1/6
ঘ) 1
ক) 4
খ) 6
গ) 14
ঘ) 16
ক) 30°
খ) 60°
গ) 45°
ঘ) 90°
ক) No change
খ) 4% decrease
গ) 4% increase
ঘ) 4.5% increase
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