Tag: ratios

Interview Questions

• What is 16% of 25? (Use the swap)
• 45 is what percent of 180?
• Five pipes fill a tank in 8 hours, now four pipes, three tanks
• Six workers, ten days, one wall, now two walls in eight days
• Three printers, 20 minutes, one batch, now five printers, four batches
• Four diggers, two ditches, six hours, now three diggers, five ditches
• Eight machines, twelve hours, now six machines, two jobs
• A price rises from 40 to 50, what percent gain?
• A price falls from 80 to 60, what percent drop?
• Standard error of a ratio of two means