Question

2 1 5 If 5 men take 4 days plough 18 acres of land then find how long it take for 25 men for to plough 30 acres?​

Answer 1

Answer:

Area No. of men No. of days

100 x 10

20 10 8

More men more area ∴ direct variation

More men less no. of days ∴ inverse variation

100:20::x:10

8:10

100×8×10=x×20×10

⇒x=

200

8000

=40

Step-by-step explanation: