A and B combinely can do a work in 4 days. If A alone can
do a piece of work 6 days. In how many days B alone can do?
a) 8 days b) 6 days c)10 days d) 12 days

Answer Posted / tam

combinely job=A+B=4days
when A is alone job=A=2
then B=4-A
=4-2
B=2
so,the ans is b

Is This Answer Correct ?    2 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

In a class there are 45 pupil, out of them 12 are in debate only and 22 in singing only. Then how many in both?

1045


Integral B(Transpose)*sigma(here sigma means stress)*dV REPRESENTS?

717


A Flight takes off at 2 A.M from northeast direction and travels for 11 hours to reach the destination which is in north west direction.Given the latitude and longitude of source and destination. Find the local time of destination when the flight reaches there?

988


Olympic race : 4 contestants : Alan,charlie, Darren ,Brain. There are two races and average is taken to decide the winner.one person comes at the same position in both the race. Charlie always come before darren. Brian comes first once. Alan comes third at least once. Find the positions. Alan never comes last. Charlie & darren comes 2nd at least once.

815


8 to the power of x is 32,what is the value of x?

820






How many mod 3 counters are required to construct mod 9 counter.

729


In an exam, a girl scores 85% in one subject and 88 % in another subject. What percentage does she score in the third subject to get an average of 88% marks?

671


modulo(373,7)+round(5.8)+truncat(7.2)-round(3.4) = ? i exactly don't remember the truncate function.but the function was where we skip the '.' part.

755


Rakesh buys 1 gallon of milk for Rs.12 and mixes it with 20% water. He then sells it for Rs.15, What is the percentage of gain that Rakesh would get.

731


Certain no. of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally.

782


If Dev walks 30 miles/hr. he reaches 1 hour before and if he walks with a speed of 20 miles/hr. he reach 1 hour late. Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which he walks.

1067


I want Canara Bank Question papers ? if u have this one send my mail. id - kuruba.sreekanth@gmail.com -regards

1660


5 thieves stole diamonds in following way 1st stole half +2 2nd remaining half +2. for 5th there was no diamond how many diamond were there initially

744


A son and father goes for boating in river upstream . After rowing for 1 mile son notices the hat of his fathe falling in the river. After 5 min. he tells his father that his hat has fallen. So they turn around and are able to pick the hat at the point from where they began boating after 5 min. Tell the speed of river.

720


In a party there are women and cats.There are 18 heads and 72 legs altogether. How many women and cats?

723