How many times in a given day, minutes and hour clock comes in a straight line ?

During which month do people sleep the least?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

What has a bottom at the top?

What is the riddle which can be asked all day with a different correct answer each time.

Move three sticks of the spiral below to form a square.

Which is the smallest number that you can write using all the vowels exactly once?

John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?