Number Riddles: Find the Value of the Missing Number

Leave your answers to the riddle in the comment section.


In the tables below you will see that there are some numbers which are connected to each other.

Can you find the pattern and hence find the missing number in the table?

6 6 0
7 8 3
8 8 4
8 9 5
10 10 ?

When you get the answer, share it with your friends on Facebook and WhatsApp and see if they can solve this riddle.


If you see the table you will find that the last column is the result of the first 2 columns.

If you add the corresponding numbers in the first two column and then subtract by 2 you will get a resultant number, of which if you take only the units place number you get the number in the third column.

So 1st row we have;
6 + 6 = 12;
12 – 2 = 10

Units place digit is 0 = 3rd column number.
Similarly for other rows;
7 + 8 – 2 = 13 >> 3;
8 + 8 – 2 = 14 >> 4;
8 + 9 – 2 = 15 >> 5;

Therefore we can find the missing number in the last row as;
10 + 10 – 2 = 18 >> 8

Hence answer = 8

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