Word Puzzles With Answers And Explanation

Using the digits 1 up to 9, three numbers (of three digits each) can be formed, such that the second number is twice the first number, and the third number is three times the first number.
Which are these three numbers?

A man decides to buy a nice horse. He pays $60 for it, and he is very content with the strong animal. After a year, the value of the horse has increased to $70 and he decides to sell the horse. However, already a few days later he regrets his decision to sell the beautiful horse, and he buys it again. Unfortunately, he has to pay $80 to get it back, so he loses $10. After another year of owning the horse, he finally decides to sell the horse for $90.

What is the overall profit the man makes?

Santa distributes 2 gifts to every child in the street at the Christmas evening. He mistakenly gives 4 gifts to some children. If he distributed 50 gifts to 21 children. How many children got 4 gifts?

How can you make 120 with 5 zeros?

If there are 30 cans out of them one is poisoned if a person tastes very little he will die within 14 hours so if there are mice to test and 24 hours to test, how many mices are required to find the poisoned can?

How do you apply +, -, * and / on 3, 3, 8, 8 to get 24 ? Each number can only be used once.

For example with 2, 2, 8, 8, we have (2 + 2) * 8 - 8 = 24

While visiting a small town in the United States, I lost my overcoat on a bus. When I reported the matter to the bus company I was asked the number of the bus. Though I did not remember the exact number I did remember that the bus number bad a certain peculiarity about it. The number plate showed the bus number as a perfect square and also if the plate was turned upside down.? the number would still be a perfect square—of course, it was not?
I came to know from the bus company they had only five hundred buses numbered from 1 to S00.
From this I was able to deduce the bus number. Can you tell what was the other number?

What is the next number in 0, 1, 1, 3, 1, 3, 1, 3, 5?

What is the next number in this sequence:

1, 11, 21, 1211, 111221, 312211, 13112221, _________?

What single line can you add to the following statement to make it true?

5+5+5=550