8 – Cassie doesn't like to say her age. When someone asks, her mother answers for her. Cassie's mother says, "I'm seven times as old as Cassie now. In 20 years, Cassie will be half the age that I will be then." How old is Cassie now?
10 – In your cellar, there are three light switches in the ‘off' position. Each switch controls one of three light bulbs on the floor above it. You may move any one of the switches but you may only go upstairs to inspect the bulbs once. How can you determine the switch for each bulb with only one inspection?
Please be aware that this information is provided to supplement the care
provided by your physician. It is neither intended nor implied to be a
substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER
IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the
advice of your physician or other qualified health provider prior to
starting any new treatment or with any questions you may have regarding a