Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true. * * x * ===== * * *
If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following: 21 Q 7 R 9 S 10 P 13
Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?
Can you find the missing number in the third row? 35 20 14 27 12 18 5 2 ?
How many triangles are there in the picture below?
How many pluses should we put between the digits of 987654321 to get a total of 99, and where?
What's a single-digit number with no value?
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?
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?
Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?
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)
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.
