Find out the number:

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 id its digits are reversed. The number is.

  1. 253
  2. 235
  3. 523
  4. None of these
Anurag Mishra Professor Asked on 31st January 2016 in Maths.
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1 Answer(s)

Answer: (1) 253

Let the middle digit be x.
Then, 2 x = 10
or x = 5.
So, the number is either 253 or 352. Since the number increases on reversing the digits, so the hundred’s digit is smaller than the unit’s digit.

Then, number is 253

Hence, the correct answer is option (1) 253.

Anurag Mishra Professor Answered on 14th February 2016.
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