"If 7 maids with 7 mops cleaned 7 floors in 7 hours how long would it take
Channel: Doubtnut
Date: 2020-04-05

"If 7 maids with 7 mops cleaned 7 floors in 7 hours
 how long would it take 3 maids to mop 3 floors with 3 mops? 
`7/3hou r s`
b. `3\ hou r s`
c. `(49)/3hou r s`
d. `7\ hou r s`"