"If 5 men or 9 women can do a piece of work in 19 days, then in how many
Channel: Doubtnut
Date: 2020-04-12

"If 5 men or 9 women can do a piece of work in 19
 days, then in how many days will 3 men and 6 women do the same work? 
`12`
b. `15`
c.`\ 18`
d. `21`"