"A can knit a pair of socks in 3 days. B can knit the same pair in 9 days. If they are knitting
Channel: Doubtnut
Date: 05/04/2020

"A can knit a pair of socks in 3 days. B can knit
 the same pair in 9 days. If they are knitting together, then in how many days
 will they knit two pairs of socks?
`3\ d a y s`
b. `4\ d a y s`
c. `4 1/2d a y s`
d. `5\ d a y s`"