GRE-Quantitative Exam Question 51

GRE-Quantitative Exam Question 52
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?
take if Sam, Lisa, and Tom worked together to complete it?
GRE-Quantitative Exam Question 53
Find 0.12 / 1
GRE-Quantitative Exam Question 54
Multiply 2.345 x 0.023
GRE-Quantitative Exam Question 55
