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
- 15 Answers
- 15756 Views
- Wipro, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / geetika thakkar
say the work is w and let no of days taken by b is 'x' which
we have to calculate
so work done by a in one day is w/6
work done by b in one day is w/x
a and b together can do work in 4 days ie=(w/6)+(w/x)=(w/4)
solving equation x=12
so no of days taken by b=12
| Is This Answer Correct ? | 9 Yes | 1 No |
Answer / 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 |
Answer / tam
sorry i have posted a wrong method,
A+B=4
then Ais equal to B,ie,A=B=2
so,
if Acan do the work in 6 days then B also can do the work
with in 6 days.
now the ans is b.
| Is This Answer Correct ? | 3 Yes | 2 No |
in 1999 diana read 10 english books and 7 french books in 2000 she read twice as many french books as english books.if 60% of the books that she read during the 2 years were french.how many books did she read in 2000
Light glows for every 13 seconds . How many times did it glow between 1:57:58 and 3:20:47 am.
A husband and wife has a combined age of 91.the husband is now twice as old as his wife was when he was as old as she is now. How old are they? A 60,31 B 71,20 C 52,39 D 56,32
plz send me the sbi clerks previous question paper
am going to write iocl exam can u pls send me the question paper
if length of a rectangle is incr by 20% and width is decr by 20% then area
5 Answers ASD Lab, KPSC Karnataka Public Service Corporation, Math Olympiad, Time, Verifone,
Rajini says ravismother is the only daughter of his mother how is rajini related to ravi
An apple seller is having some apples. He is selling half of the apple what he has plus half the apple to the first customer. In the same way he sells the remaining apple to 7 customers. After selling to 7 customers, he has no apples with him.
There are two circles, one circle is inscribed and another circle is circumscribed over a square. What is the ratio of area of inner to outer circle?
3 Answers 3i Infotech, Canara Bank, Geodesic, Mu Sigma, Tandem Consulting,
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?
the ratio of white balls to black balls is 1:2. if 9 balls are added then the ratio of the balls become 2:4:3. find the number of black balls. a) 12 b) 6 c)9 d)none
A person went to shop and asked for change for 1.15 paise. But he said that he could not only give change for one rupee but also for 50p, 25p, 10p and 5p. What were the coins he had ?
English 
