If eleven plus two equals one, what does nine plus five equal?
The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?
What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?
What number comes next in the series? 5 15 5 18 5 24 14 20 _
Different lights make me strange by changing me into different sizes. What am I?
Prove that twice of ten is the same as twice of eleven.
John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?
Decode the movie name from the below picture?
Find the next number in the series 12, 20, 40, 72, 116, 172 ?
I shave every day, but my beard stays the same. What am I?
What can you catch but never throw?
Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.