Study the given pattern carefully and select the number that can replace the question
mark (?) in it.
| 7 | 8 | 9 |
|
4 |
2 | ? |
| 407 | 520 | 756 |
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 3.
The logic used here is:
Column 1:
73 + 43 = 343 + 64 = 407
Column 2:
83 + 23 = 512 + 8 = 520
Column 3:
93 + a3 = 729 + a3 = 756
a3 = 756 - 729
a3 = 27
a = 3