If a five-hour candle and a six-hour candle were lit at the same time, how much time would elapse before one candle would be five times longer than the other?
A calamity took a toll on 100 people who were brought to the same hospital. Out of the 100 patients, a few had lost one leg. Of the rest of the patients, half lost both their legs.
Can you calculate how many legs in total the patients have now?
You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.
In how many different ways you can climb 10 stairs?
