Question

 If 45 persons can complete the work in 20 days then the time taken by 75 persons will be _____ hour

288

130

280

250

​

Answer 1

Answer:

answer

Step-by-step explanation:

45 persons can complete the work =20d

1 person will complete the work =45×20d

75 person will take =  

75

45×20

​  

=12d

1 days =24 hours

12 days =12×24=288 hours

Answer 2

Answer:

288 hours first option the above explanation is right