3. If a number of two digits is k times
the sum of its digits, then the
number formed by interchanging
the digits is the sum of the digits
multiplied by
Answers
Answered by
0
Answer:
Let the two digit number be 10x+y. Hence, the number obtained on interchanging the digits is 10y+x. Also, sum of digits is x+y. N=11-K
Answered by
1
Answer:
Let the two digit number be 10x+y. Hence, the number obtained on interchanging the digits is 10y+x. Also, sum of digits is x+y.
So, we get,
10x+y=K(x+y) -(1)
10y+x=N(x+y) -(2)
Adding (1) and (2) we get,
11(x+y)=(N+K)(x+y)
Therefore, N+K=11
N=11-K.
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