Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

Which five letter word can be added at the end of below word to form a
valid word?

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John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

John was piloting a plane behind a car but was never able to overtake it. Why?

What is the next number in this series?

4,12,84,3612....

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

Our product and our sum always give the same answer. Who are we?

Remove two matchsticks to make the below equation correct.