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 / guest
b 7 1/2hrs
| Is This Answer Correct ? | 1 Yes | 6 No |
Post New Answer View All Answers
A bus started from the bus stand at 8Am and after staying 30 minutes at a destination return back to the bus stand. The Destination is 27 miles from the bus stand . The Speed of the bus is !8mph . In the return journey the bus travels with 50% fast speed. At what time it is return to the bus stand
A person spending out 1/3 for cloths , 1/5 of the remaining for food and 1/4 of the remaining for travelles is left with Rs 100/- . How he had in the beginning ?
two trains are 2 kms apart. Speed of one train is 20m/s and the other train is running at 30 m/s. Lengths of the trains are 200 and 300m. In how much time do the trains cross each other?
A man spending half of his salary for house hold expenses, 1/4th for rent, 1/5th for travel expenses, a man deposits the rest in a bank. If his monthly deposits in the bank amount 50. What is his monthly salary ?
What is the average candidates who appeared from state q during the given years?
Fathers age is 5 times his son's age. 4 years back the father was 9 times older than son.Find the fathers' present age.
Adam stands facing towards northwest direction.He walks 61 m and then turns southwards and walks another 60 m. How far is he from the starting point.?
if 2x-y=4 then 6x-y is
Find the next series: SE QU EN TI ?
One ship goes along the stream direction 28 km and in opposite direction 13 km in 5 hrs for each direction.What is the velocity of stream? `
A clock showing 6 o'clock takes 30 secs to strike 6 times.How long will it take to strike 12 at midnight?
A gardener plants 100 meters towards east, next 100 meters towards north,next 100 meters towards west. 98 meters towards east, 96 meters towards north and 96 meters towards west, 94 towards west. 98 meters towards east, 96 meters towards north and 96 meters towards west, 94 meters towards south. and 94 meters towards east and so on. If a person walks between the trees what is the total distance travelled by him before he reaches the center.
There are no of urns &no of balls. If three balls are placed in each urn then 3 balls is left. If 4 balls are placed in each urn then 1 urn is left. What is the total no of balls?
Find the value of the 678 to the base 7.
Why we use Caffine in HPLC calibration?