How can a man go eight days without sleep?
Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?
Who always enjoys poor health?
I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?
Replace the question mark with the correct number in below Picture:
Write the next letter in this sequence. O, T, T, F, F, S, S, E, __ **Hint: It is a Number Series Puzzle
What is next number in the pattern below: 131 517 192 123 ?
What is the last thing you take off before bed?
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.
In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special. This date is special as: Date * Month = Year. Can you figure out which year of this century has a maximum number of such dates?
The first box has two white balls. The second box has two black balls. The third box has a white and a black ball. Boxes are labeled but all labels are wrong! You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball. How many such operations are necessary to correctly label the boxes?
The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.