Question

330 men took 30 days to finish a work then how many men will be required to finish the same work in 11 days...???

In your birthday party there was food for 20 friends for 2 hours but 30 friends attened the party. Till how long did the food last...???

Answer 1

Explanation:

data given

men 330 ,days30

men? ,days11

from

men(m) are inversely proportional todays (d)

m=k/d

330×30=k

k=9900

now,

m=9900/11m

m=900

data given

friends 20, time 2hours

friends 30, time?

from

friends (f) are inversely proportional to time (t)

f=k/t

k=20×2

k=40

now,

t=40/30

t=1.3(1:18)

1. answer ,men required are900
2. answer the food will last for1:18