A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?
Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees.
If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?
What kind of storm is always in a rush?
Solve this riddle by finding the odd one out from the rest.
What is the next number in this series?
4,12,84,3612....
What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.
Prove that the below maths equation is true.
8 + 8 = 91
Which number should replace the question mark?
How many pluses should we put between the digits of 987654321 to get a total of 99, and where?
How many triangles can you find in this given picture?
There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.
If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.
Will you accept that bet?
Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.