While it's good to get out and about for exercise - even if it is a five minute walk - it's also important to stimulate the brain.There are three types of illusions - literal, physiological and cognitive - and each of them are a great way to test your level of intelligence.
Not only that, but it's a great way to boost your memory. So if you're up for a brainteaser, this is one you should try. And to make it even harder, there's a catch - you only have four seconds to work it out.
Yes, just four.The puzzle, created by Jagran Josh, shows two buckets filled with water. One at a temperature of 25C and one at a temperature of 25F.
The question is that if you dropped a coin into both buckets at the same time, which would hit the bottom first? Although it sounds simple enough, it takes some logical thinking, putting your quick thinking skills to the test.
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