Question

18,46,94,63,52?what number should replace the question mark

Answer 1

9×9=81:18
8×8=64:46
7×7=49:94
6×6=36:63
5×5=25:52
4×4=16:61
The next number must be 61.

Answer 2

We have to find the number which will replace ? in 18,46,94,63,52,? .

In the giver sequence , the numbers follow a given rule.

For the first number 18 , 9 × 9 = 81 and on reversing the digits we get 18.

For 64 , 8 × 8 = 64 and on reversing the digits we get 46.

So this table will explain the rule -

9 × 9 = 81 -> 18

8 × 8 = 64 -> 46

7 × 7 = 49 -> 94

6 × 6 = 36 -> 63

5 × 5 = 25 -> 52

4 × 4 = 16 -> 61

So the ? is replace by the number 61.