Tanya can swim faster than Jack but slower than Sally. Harry usually swims faster than Jack, sometimes swims faster than Tanya, but never swims faster than Sally. Who is the slowest swimmer?
If we tie a light oxygen tank to a bird so that it can breathe on the moon, would the bird fly faster, slower, or the same speed as it does on earth? (Remember that there is less gravity on the moon.)
You measure my life in hours I serve you by expiring I vanish faster when I am thin and slower when I am thick The wind is my energy What am I?
Two goods train each 500 m long, are running in opposite directions on parallel tracks. Their speeds are 45 km/hr and 30 km/hr respectively. Find the time taken by the slower train to pass the driver of the faster one.
