It would take one machine 4 hours to complete a production order and another machine 2 hours to complete the same order. If both machines work simultaneously at...

Two design consultants, P and Q, started working from 8 AM for a client. The client budgeted a total of USD 3000 for the consultants. P stopped working when the...

If the number 715■423 is divisible by 3 (■ denotes the missing digit in the thousandths place), then the smallest whole number in the place of &#963...