Fun With Numbers Riddle: Find the Missing Number in the Table
Have fun with numbers with this riddle.
Learning is a lot better when you add some fun and challenge to it.
Look at the numbers in the given picture and find the connection between them.
Find the missing number in the table.
| 2 | 5 | 12 |
| 4 | 10 | 24 |
| 6 | 15 | 36 |
| 8 | 20 | 48 |
| 10 | 25 | ?? |
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The numbers in the table are connected as follows;
Double of the number in the row 2 when added to the number in row 1 we get the result as R3, which can be represented in the form of an equation as below;
R2 x 2 + R1 = R3.
So testing this in the first row we get;
5 x 2 + 2 = 12
Let’s test if this holds good for other rows as well;
10 x 2 + 4 = 24;
15 x 2 + 6 = 36 &
20 x 2 + 8 = 48
Hence we can find the value of the missing number as;
25 x 2 + 10 = 60
Answer = 60