if 30 men completes a job in 15 days working 9 hrs per
day..how much hours per day should 40 men work ??
a ) 35 b)7 1/2 c)30 d) none
Answer Posted / swati
as i assume the time taken to complete the job is not to be
changed while increasing the employees as it does not
clearly states so..........
30 men wrk for 9 hrs
therefore for the work to be done if no of workers is
increases the no of hrs / day to work should decrease so
here s a inverse relation
solving further we get
30 = K /9 ==> K= 270
now
40 = 270/y ==> y= 6.75
therefore ans is d)none
| Is This Answer Correct ? | 13 Yes | 0 No |
Post New Answer View All Answers
A ship started from port and moving with I mph and another ship started from L and moving with H mph. At which place these two ships meet ?
There is a safe with a 5 digit number as the key. The 4th digit is 4 greater than second digit, while 3rd digit is 3 less than 2nd digit. The 1st digit is thrice the last digit. There are 3 pairs whose sum is 11. Find the number.
One clock ringes 7 O'clock in 7 sec.In how many seconds it will ring 10 O'clock.
If A can copy 50 pages in 10 hours and A and B together can copy 70 pages in 10 hours, how much time does B takes to copy 26 pages?
I HAVE APPLIED FOR RRB-CHENNAI(ECRC,GOODS GUARD).SO I NEED ECRC ALL PREVIOUS YEAR QUESTION SOLVED PAPER..PLS SEND IT TO ramya.raj@hotmail.com
The diameter of a wheel is 1.26m. If this wheel rotates 500 rotations, how long it can travel?
A boy has Rs 2. He wins or loses Re 1 at a time If he wins he gets Re 1 and if he loses the game he loses Re 1. He can loose only 5 times. He is out of the game if he earns Rs 5. Find the number of ways in which this is possible?
What is the angle between the two hands of the clock when it shows 10:10?
Find the next number in the series. 1, 0.5, 0.25, 0.125
a train covers the distance D between two cities in hours arriving 2 hours late.what rate would permit to train to arrive on schedule?
A string of alphanumeric is there. Find a string that starts with b and ends with 3 characters.
Let's say that you have 25 horses, and you want to pick the fastest 3 horses out of those 25. In each race, only 5 horses can run at the same time because there are only 5 tracks. What is the minimum number of races required to find the 3 fastest horses without using a stopwatch?
PROCESS FLOW IN LOGISTICS
if on a salary s per month, a tax of x% of the salary and another of r% of the salary is deducted what is the income.
The price of sugar increases by 20%, by what % should a housewife reduce the consumption of sugar so that expenditure on sugar can be same as before ?