Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 4 | 8 | 128 |
| 3 | 9 | 108 |
| 5 | 10 | ? |
Option 1: 236
Option 2: 205
Option 3: 225
Option 4: 220
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Correct Answer: 225
Solution : In a row of the given table, add the cube of the first number and the square of the second number to obtain the third number.
In the first row→(4)
3
+ (8)
2
= 64 + 64 = 128
In the second row→(3)
3
+ (9)
2
= 27 + 81 = 108
Similarly, in the third row→
(5)
3
+ (10)
2
= 125 + 100 = 225
So, 225 is the missing number in the given figure. Hence, the third option is correct.
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