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**Question: **A swan is in the center of a circular lake but he cannot take flight from the water, only on land. On the parameter of the lake there is a hunting dog that desperately wants the swan but cannot swim. So the swan must make it to the land before taking off and must do so before the dog makes it to him. The dog is almost 4 times faster than the swan and always runs to the point around the lake closest to the swan.

How can the swan get out of the lake and take flight before the dog gets him?

*3.1M views**4028 ratings**19 saves*

**Question: **When is 99 more than 100?

*4k views**254 ratings**22 saves*

**Question: **Mr. Smith has 4 daughters. Each of his daughters has a brother.

How many children does Mr. Smith have?

*3k views**286 ratings**9 saves*

**Question: **How can you add 8 8's to make 1000?

*74.4k views**73 ratings**4 saves*

**Question: **Jasmine has a toaster with two slots that toasts one side of each piece of bread at a time, and it takes one minute to do so.

If she wants to make 3 pieces of toast, what is the least amount of time she needs to toast them on both sides?

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**Question: **Nathan has math 4 times a week. If he has math 8:00 Monday, 9:20 on Tuesday, 10:40 on Wednesday, and 1:20 on Friday, when does Nathan have math on Thursday?