If a scooterist drives at the rate of 24 kmph, he reaches his destination 5 minutes late, and if he drives at the rate of 30 kmph, he reaches his destination 4 minutes earlier. Find how far his destination is.
You can only find truth with logic if you have already found truth without it.
Gilbert Keith Chesterton
Students attend our lectures, not because the mathematics we teach ‘makes lots of fun’ for us, but because they believe they can learn some essential knowledge from us. And each of our young students has only one life to live. We should therefore be a