Can you find the missing number in the third row? 35 20 14 27 12 18 5 2 ?
Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship? ? : 3839 :: 11 : 1209
What is the largest number you can write with just 3 digits?
How many pluses should we put between the digits of 987654321 to get a total of 99, and where?
My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?
Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?
Our product and our sum always give the same answer. Who are we?
Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol? 19834 -----: 187 15921 -----: 153 17561 -----: 139 13734 -----: ???
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 ?
Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?
Look at this sequence from top to bottom. What is the next number in the sequence? 1 11 21 1211 111221 312211
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.
