If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Can you find out who is the kidnapper in below Picture and why, Explain ?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Can you find the mistake in the below statement?

Count the number of lines in the image below ?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?