Question

a t2 digit number whose sum of digits is 14 . if 36 is added to the number its digits are interchanged what is the number ​

Answer 1

Answer:

59

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Answer 2

Step-by-step explanation:

Let the Digit in the units place of the Two Digit number be : A

Given : The Sum of the Digits of Two Digit number is 14

It means : The Digit in the Ten's place will be : 14 - A

★  The Two Digit Number can be written as : 10(14 - A) + A

Given : If 36 is added to the number, the Digits get interchanged

$\mathsf{\implies 10(14 - A) + A + 36 = 10(A) + (14 - A)}$

$\mathsf{\implies 140 - 10A + A + 36 = 10A + 14 - A}$

$\mathsf{\implies 176 - 9A = 9A + 14}$

$\mathsf{\implies 9A + 9A = 176 - 14}$

$\mathsf{\implies 18A = 162}$

$\mathsf{\implies A = 9}$

$\mathsf{\implies Ten's\;Place\;Digit = (14 - 9) = 5}$

Answer : The Two Digit Number is 59