Select the option in which the numbers share the same relationship as that shared by the given pairs of numbers.
2513 − 20;
4213 − 18
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 3122 − 14.
2513 − 20 → [(2 + 5 + 1 + 3) - 1] × 2 = 20
4213 − 18 → [(4 + 2 + 1 + 3) - 1] × 2 = 18
Similarly, 3122 − 14 → [(3 + 1 + 2 + 2) - 1] × 2 = 14