Thirty men take 20 days to complete a job working 9 hours a
day. How many hour a day should 40 men work to complete the job?
(a) 8 hrs
(b) 7 1/2 hrs
(c) 7 hrs
(d) 9 hrs
Answers were Sorted based on User's Feedback
Answer / mv jaysheelan
(30Men x 20days x 9hrs)/(40Men) = 135 hrs per day. Which
is impossible. So, the answer is none.
Since the question is vague, if you don't answer this
question you may be given mark for this question.
The question should have been
1. How many days 40 men working 9 hrs a day will take to
complete the work.
Answer: (30Men x 20days x 9hrs)/(40Men x 9 hrs) = 15days
2. How many hours a day should 40 men work for 20days will
take to complete the work.
Answer: (30hrs x 20day x 9hrs)/(40Men x 20days)=6 3/4 hrs
Is This Answer Correct ? | 122 Yes | 34 No |
Answer / dhanaraj
days is eqaul....
so calculte power and time..
power 30 hour 9
power 40 hour x
40x=30*9
x=270/40
x=6.75
x=6 3/4
Is This Answer Correct ? | 56 Yes | 11 No |
Answer / vidya
In both cases days are same
so
m1*ti=m2*t2
30*9=40*t2
t2=270/40=71/2
Is This Answer Correct ? | 213 Yes | 192 No |
Answer / vishal pitaliya
30*20*9=40*20*x
x= (30*20*9)/(40*20)
x= 27/4
x=6 3/4 hrs answer
Is This Answer Correct ? | 31 Yes | 10 No |
Answer / suratnarayan tripathi
30*20*9=40*20*x
600*9=800*x
5400=800*x
x=5400/800
x=54/8
x=27/4 Hours
x=6.75 hours
It means
x=7 hour and 15 minutes
Is This Answer Correct ? | 30 Yes | 19 No |
Answer / sumit sourabh
‎40 men work 6 hours 45 minutes a day for 20 days to complete the job...........
AS WE SEE
(30*20*9)=(40*20*H)
5400=800 * H
H = 6.75 HOURS
I.E; 6 HOURS 45 MINUTES IS THE WORK DONE PER DAY
Is This Answer Correct ? | 9 Yes | 2 No |
Answer / baddy
equation given: 30 x 9 = 40 x X
=> X = 30 x 9 /40
=270/40
= 6.75
= 6 hrs and 45 mins
So,Ans is
6.75 hrs
Is This Answer Correct ? | 5 Yes | 0 No |
Now i am doing RHCE (Red Hat Certified Engineer). Please give some interview questions of linux.
Question I Need Change For 1000 Rs It Should Not Be 100 Rs Notes But It Should Contain 10 Notes, Any Ideas?
Make a square by drawing only one line
0 Answers BPCL Bharat Petroleum, Sonata,
what are the questions likely to be prepare for sbi clerical exam...........
Question from IIM - Company Management interview. There are Nine children in the house, and all 9 of them are in the house A is ironing B is watching tv C is cooking D is playing chess E is bathing F is listening radio G is sleeping I is dressing wat is H doing? Think wisely answer logically.👍😉
3 red and 4 blue balls are in a basket. A member of PPTeam is drawing balls from the basket.What is the probablity of getting the 3 red balls simultaneously?
Cost of an item is x. It's value increases by p% and decreases by p% Now the new value is 1 rupee, what is the actual value ?
A chain is broken into three pieces of equal lenths containing 3 links each. It is taken to a backsmith to join into a single continuous one . How many links are to to be opened to make it ?
What number should be added to or subtracted from each term of the ratio 17 : 24 so that it becomes equal to 1 : 2.
A garrison of 3300 men has provisions for 32 days, when given at a rate of 850 grams per head. At the end of 7 days reinforcement arrives and it was found that now the provisions will last 8 days less, when given at the rate of 825 grams per head. How, many more men can it feed?
a person left house with speed 40 mile per hour. His wife after 30 minutes left to catch him at a speed of 50 Miles Per Hour. in what time she will catch.
i want andhra bank modelpapers of clerical aptitude plz send it to my mail swetha.gouru@gmail.com.plz