Let a two- digit number be k times the sum of its digits :

Let a two- digit number be k times the sum of its digits. If the number formed by interchanging the digits is m times the sum of the digits, then the value of m is
(a) 9 – k
(b) 10 – k
(c) 11- k
(d) k -1

Anurag Mishra Professor Asked on 19th February 2016 in Maths.
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Answer: (d) k -1

Anurag Mishra Professor Answered on 20th February 2016.
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