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Question
The sum of digits of a two digit number is 10. The sum of number and its reverse equals 110. Represent this graphically.
The sum of digits of a two digit number is 10. The sum of number and its reverse equals 110. Represent this graphically.
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Solution
The correct option is B
Let x be tens digit and y be units digit.
x + y = 10
10x +y +10y + x =110 ⇒11x +11y =110 ⇒ x + y =10
Which is same as the previous equation
Let x be tens digit and y be units digit.
x + y = 10
10x +y +10y + x =110 ⇒11x +11y =110 ⇒ x + y =10
Which is same as the previous equation
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