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ICSE Class 10 Answered

In a two digit number,the unit's digit exceeds it's ten's digit by 2.The product of the given number and the sum of its digits is equal to 144. Find the number
Asked by Ananya | 24 Feb, 2018, 08:31: AM
answered-by-expert Expert Answer
begin mathsize 16px style Let space ten apostrophe straight s space digit space be space straight x. According space to space the space question Unit space digit space is space straight x plus 2 Number space is space 10 straight x plus straight x plus 2 equals 11 straight x plus 2 Sum space of space digit space is space straight x plus straight x plus 2 equals 2 straight x plus 2 open parentheses 11 straight x plus 2 close parentheses open parentheses 2 straight x plus 2 close parentheses equals 144 Solving space this space quadratic space equation space you space will space get space the space number. end style
Answered by Sneha shidid | 24 Feb, 2018, 07:30: PM

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