Question

20. If 18 men can do a work in 15 days. In how many days will 60 men complete double the work?
(a) 18 days (b) 12 days (c) 9 days (d) 10 days
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Answer 1

Step-by-step explanation:

${\huge{\bf{\purple{\mathbb{\underline {Question-}}}}}}$

If 18 men can do a work in 15 days. In how many days will 60 men complete double the work?

(a) 18 days (b) 12 days (c) 9 days (d) 10 days

${\huge{\bf{\purple{\mathbb{\underline {Answer:-}}}}}}$

9days

${\huge{\bf{\purple{\mathbb{\underline {Explanation}}}}}}$

if 18 man can do in 15 days

then one man can do in 15 × 18 days

then 60 men can complete in 15 x 18/60 = 4.5 days

so 60 men can finish twice the work in 4.5×2= 9days