Fill the missing number,
numbers are 1 to 9,
numbers in each row add up to the right,
numbers in each column add up to the bottom,
numbers in each diagonal add up to the right?
1 1 7
4 3 5
1 5 1
The diagonal 5 is either the combination 1 2 2 or 1 1 3. Combining this with the 2nd row and 1st column leaves only 1 3 1.
Given below is a figure. You have to fill in the numbers from 1 up to 16 in such a way that you get 29 when you add the numbers in each row.
Can you arrange the numbers from 1 to 9 on a tic tac toe board in a manner that the numbers in each row, column and diagonal adds up to 15. Remember that you have to use all the 9 numbers and thus you cannot repeat.
With the numbers 123456789, make them add up to 100.
They must stay in the same order. (1 to 9)
You can use addition, subtraction, multiplication, and division.
? + ? + ? + ? + ? = 30
You have to fill numbers in place of question marks. The numbers that you can use are 1, 3, 5, 7, 9, 11, 13 and 15. You can repeat the numbers if you like.