How many times in a given day, minutes and hour clock comes in a straight line ?
What month of the year has 28 days?
Which number should replace the question mark?
A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes. How long will it take the patient to consume all the five tablets?
The following alphametic has only one solution. Can you find it? ENLIST + SILENT + LISTEN = ANAGRAM PS: You may start the number from 0.
What's the only room from which no one can enter or leave
I have teeth but i don't bite. Who Am I ?
I have a mouth but I don't eat. I have a bank but have no money. I have a bed but i dont sleep. I wave but have no hands. Who Am I ?
You need to move three matchsticks to form three squares. Can you do it?
If nine thousand, nine hundred nine dollars is written as $9,909, how should twelve thousand, twelve hundred twelve dollars be written?
There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.
