Multiple choice

If 534 + 781 = 28, 932 + 455 = 28, then what is the value of 721 + 422?

  1. 17

  2. 18

  3. 28

  4. 19

  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It is observable that

534 + 781 = 5 + 3 + 4 + 7 + 8 + 1 = 28 and

932 + 455 = 9 + 3 + 2 + 4 + 5 + 5 = 28

Similarly, 721 + 422 = 7 + 2 + 1 + 4 + 2 + 2 = 18, so it is a correct answer.