Three cuboids of dimensions 5cm×6cm×7cm,4cm×7cm×8cm and×2cm×3cm×13cm are melted and a cube is made. Find the edge of the cube.

Three rectangular solid metallic cuboids 20cm×10cm×5cm,12cm×10cm×4cm and 15cm×12cm×5cm are melted together and recast into solid cubes each of side 5cm. How many solid cubes can be made from the metal?

If 1=3

2=3

3=5

4=4

5=4

Then, 6=?

Which number is equivalent to 3^(4)÷3^(2)

This problem comes straight from a standardized test given in New York in 2014.

There are 49 dogs signed up for a dog show. There are 36 more small dogs than large dogs. How many small dogs have signed up to compete? 

Add 8.563 and 4.8292.

Using only an addition, how do you add eight 8’s and get the number 1000

Sally is 54 years old and her mother is 80, how many years ago was Sally’s mother times her age?

Which 3 numbers have the same answer whether they’re added or multiplied together?

There is a basket containing 5 apples, how do you divide the apples among 5 children so that each child has 1 apple while 1 apple remains in the basket?

There is a three-digit number. The second digit is four times as big as the third digit, while the first digit is three less than the second digit. What is the number?