Multiple choice

A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. Which of the following is that number?

  1. 145

  2. 253

  3. 370

  4. 352

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let the middle digit be b. Then, 2b = 10 or b = 5. Let the number be abc. Now, 100 a + 10 b + c + 99 = 100 c + 10 b + a Or, a + 1 = c So, the number is  253

Keep practicing — related questions