Maths is fun and easy when it comes as a riddle.
Look at the table given and find the value of the missing number.
| 1 | 2 | 3 |
| 4 | 5 | 6 |
| 7 | 8 | 9 |
| 27 | 38 | ?? |
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Answer:
The pattern in the box is;
3rd row x 2nd row – 1st row.
So first column;
7 x 4 – 1 = 28 – 1 = 27
Similarly;
8 x 5 – 2 = 40 – 2 = 38
So we can easily find the missing number as;
9 x 6 – 3 = 54 – 3 = 51
Answer = 51
Another pattern exists: difference between each consecutive numbers in same raw is always same (1) if we assume this, then, 38-27=11; 38+11=49.