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
Answer Posted / sanjeev kumar
since 30 men take 20 days to complete this job working 9
hours per day
so (30*9)/40
=27/4
= 6 3/4 hours
so option is not correct...
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
A triangle has sides of lengths 10, 24 and k. k is a positive integer. The number of values of k for which this triangle has three acute angles is
Ravi's salary was reduced by 25%.Percentage increase to be effected to bring the salary to the original level is
A & B can do a piece of work in 21 & 24 days respectively. The started to work together but after some days BA leaves, B completes the remaining work in 9 days. After how many days does A leaves
one question has last part like difference between two terms is 9 and product of two numbers is 10, what is the squares of sum of numbers?
A person meets a train at a railway station coming daily at a particular time . One day he is late by 25 minutes, and he meets the train 5 k.m. before the station. If his speed is 12 kmph, what is the speed of the train.
What do you think are your personal strengths and what are the areas where you need to improve as an individual?
Ramesh sit around a round table with some other men. He has one rupee more than his right person and this person in turn has 1 rupee more than the person to his right and so on, Ramesh decided to give 1 rupee to his right & he in turn 2 rupees to his right and 3 rupees to his right & so on. This process went on till a person has 'no money' to give to his right. At this time he has 4 times the money to his right person. How many men are there along with Ramesh and what is the money with poorest fellow.
There are two queues at a discount store billing counter. In the first queue there are a1 customers all with b1 items in their cart, while in the second queue there are a2 customers all with b2 items in their cart. It takes t seconds to process each item and p seconds for each person to pay. A customer wishes to know which queue to join.Which one of these options gives the condition for the first queue to be the better queue to join?
(1/2) of a number is 3 times more than the (1/6) of the same number?
In which of the system, decimal number 194 is equal to 1234?
If A, B and C are the mechanisms used separately to reduce the wastage of fuel by 30%, 20% and 10%. What will be the fuel economy if they were used combined.
4 pipes inlet and 2 pipes outlets, find water inlet etc.
what is the syllabus for group-1 and upsc exam for ias also specify the age limit for both appsc and upsc exams. is there any age relaxation for divorced women.
find 70.56/ 11.2 =?
two friends A,B are running up hill and then to get down! length if road is 440 yards A on his return journy met B goin up at 20 yards from top,A has finished the rase .5 Minuit earlier than B,then how much time A had taken to complete the rase.