Others
Maths Puzzle
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?
Read Solution (Total 0)
Others Other Question
(2n+1)P(n-1):(2n-1)P(n)=7:10
find n
2,5,9,19,37, ?
(a) 73
(b) 75
(c) 76
(d) 78 tell me what is correct answer.