Which Number is the odd one out? A) 7145 B) 2716 C) 5321 D) 4135
Can you find out which number multiplied by itself will give the output as 12345678987654321?
Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?
He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?
There is something which you can be arrested for attempting but not for successfully completing.
You need to move three matchsticks to form three squares. Can you do it?
Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.
I look at you, you look at me, I raise my right, you raise your left. What am I?
Can you spot what's wrong with the following sentence? PETER WAS ANGRY AT HIMSELF BECAUSE HE ACCIDENTALLY LEFT THE THE KEYS TO HIS CAR AT HIS FRIEND'S HOUSE.
Find the next number in the sequence 1, 2, 6, 21, 88, __?
What is more useful when it is broken?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.