If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if Sam, Lisa, and Tom worked together to complete it?

Arithmetic Aptitude

1)	If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if Sam, Lisa, and Tom worked together to complete it?

A) 0.8 days
B) 1.09 days
C) 1.23 days
D) 1.65 days

Next

More Question

A, B and C are three contestants in a km race. If A can give B a start of 40 m and A can give C a start of 64 m, how many meters start can B give C

Distance between two stations A and B is 778 km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56 km per hour. Find the average speed of the train during the whole journey.

Two pipes can fill a tank in 10 hours and 12 hours respectively while a third, pipe empties the full tank in 20 hours. If all the three pipes operate simultaneously, in how much time will the tank be filled

A number when divided by the sum of 555 and 445 gives two times their difference the quotient and 30 as the remainder. The number is

A person's present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present