Four number pairs have been given, out of which three are alike in some manner and one is different. Select the one that is different.
Show answer & explanation
Correct answer: D
Explanation
The correct option is option 4 i.e 18 : 306.
| Understanding |
|
The pattern is, 13 x 14 = 182 25 x 26 = 650 23 x 24 = 552 18 x 17 = 306 We see that option 4 is different from other because it is multiplied by one less than itself. Hence, the correct answer is option 4. |