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

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle