1. A /
B n] Pp6f sfd s|dz M 12 / 16 lbgdf ug{ ;S5g\ . A / B b'j}hgf ldn]/ 4 lbg sfd u/]kl5 B n] ;f] sfd 5f]8\5 eg] afFsL sfd
ug{ A nfO{ slt lbg nfUnf < kQf
nufpg'xf];\ .
A and B can do a piece of work in 12 and
16 days respectively. A and B work together for 4 days and B leaves the work,
find how long will A take to complete the remaining work.
2.Tap P and Q take 2 hours and 4 hours
respectively to fill a cistern. After what period of time of opening tap P and
Q together should tap P be closed such that tap Q can fill the remaining part
in 2 hours? Find it. [Ans: 40 minutes]
3.X , Y and Z can do a piece of work in 20, 30 and
40 days respectively. All of them start working together but X leaves after 10
days and Z leaves 6 days before the completion of the work. Find, in how many
days the whole work would be completed.
4.Lalita does 
of a
piece of work in 12 days and completes the remaining work with the help of
kushal in 4 days. Find how long kushal takes to complete the entire work by
himself. [Ans: 20days
It is really helpful for SLC students.....
ReplyDeleteIs it for grade 10 student???
ReplyDelete