Maths / Direct and Inverse Variation / Time and Work

QUESTION
 

18 men can do a piece of work in 20 days. In how many days can 30 men finish the same work ?

OPTIONS
A. 

26 days

B. 

22 days

C. 

21 days

D. 

27 days

Right Option : D

EXPLANATION
Explain TypeExplanation Content
Text

According ;to;question Let;the;number;of;days;be;n 18times 30=ntimes 20 540=20n Rightarrow n=frac{540}{20} n=27;days

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