You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth. How long would it take for the machine to cut the roll if each cut took 4 secs?
How many triangles are there in the picture below?
Can you find the missing number in the third row? 35 20 14 27 12 18 5 2 ?
Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3. (You can use one number only once)
A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?
A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper. Can you tell me , Which other pages won't be there as well ?
I am a prime number. The double of myself is equal to the square of me. which number am I?
Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?
Can you think of any three-dimensional shape that comprises of exactly two surfaces?
Replace the (?) with the correct mathematical signs to make the expression equal to 59. 18 ? 12 ? 4 ? 5 = 59
Can you find a number that lies one third of the distance between 1/3 and 2/3?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.
