Find The Next Number in the series: 12 13 15 17 111 113 117 119 123 ?
If nine thousand, nine hundred nine dollars is written as $9,909, how should twelve thousand, twelve hundred twelve dollars be written?
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.
There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?
I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?
0 0 0 = 6 1 1 1 = 6 2 2 2 = 6 3 3 3 = 6 4 4 4 = 6 5 5 5 = 6 6 6 6 = 6 7 7 7 = 6 8 8 8 = 6 9 9 9 = 6 You can use any mathematical symbols in the space provided to make all above algebraic expressions true.
Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?
Which is the rope you never skip with?
10+10 and 11+11 can give you the same answer. Explain how?
I have lakes with no water, mountains with no stone and cities with no buildings. What am I?
It can't be seen, can't be felt, can't be heard, and can't be smelt. It lies behind stars and under hills, And empty holes it fills. It comes first and follows after, Ends life, and kills laughter. What is it?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.
