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We will answer this by considering the numbers which contribute towards trailing zeros and by calculating how many such numbers there are within 100!. The solution should enlighten the student on the use ...

That is such a good question, because there are so many ways to answer it! Iago is a classic example of the 'Machiavellian' villain, something found all the time in works from Shakespeare's era. So, there...

1. Arteries have a much narrower lumen (the middle bit of space) and a much thicker wall. This is due to the fact that arterial walls contain more muscle and elastic fibres, than those of veins. Reason...

Comparing two texts is notoriously hard, especially if at first they don't seem to have anything in common. Unfortunately, I have some bad news for you: it's a skill you're going to keep needing for a lon...

When you're doing a question that focusses on sources it is important to make sure you have time to plan, at least 10-15 minutes. If you rush to writing as soon as you start you might miss something so re...