"If a number of two digits is `k`times the sum of its digits, then the number formed
Channel: Doubtnut
Date: 2020-04-05

"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
a. `k-1`
b. `9+k`
c. `11-k`
d. `10-k`"