Select the option that is related to the third number in the same way as the second number is related to the first number.
3: 51:: 7:?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e 679.
| Understanding | Application |
|---|---|
|
The logic used here is: 3: 51 33 × 2 - 3 = 54 - 3 = 51 |
Similarly, 7:? 73 × 2 - 7 = 686 - 7 = 679 Hence, option 4 is the correct answer. |