book Maths Puzzle Numerical Ability

A commercial airplane travelled 660 km with the wind in 1.375 h. it took 1.875 h to return the same distance against the wind. Find the airspeed of the palne and the windspeed.

Read Solution (Total 0)

book Other Question

Mrs.Beal, a retiree, will lose some retirement benefits is she earns over $8000 per year working as a baby-sitter. If she already earned $6500. for how many more hours may she work How do the Quarter Pounder and Whopper With Cheese measure up in the calorie department? Two Quarter Pounders and three Whoppers With Cheese provide 2607 calories. Even one of ea