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ICSE Class 8 Answered

THE UNITS DIGIT OF A TWO DIGIT NUMBER IS 3 AND SEVEN TIMES THE SUM OF THE DIGITS IS THE NUMBER ITSELF. FIND THE NUMBER
Asked by MAITRY.CARMEL10 | 10 Feb, 2019, 07:24: PM
answered-by-expert Expert Answer
It is given that unit digit is 3 of a two digit number.
Let tens digit of a two digit number be x.
The number is 10x + 3
Sum of two digits = x + 3
According to the question,
7(x + 3) = 10x + 3
Solving this we get
x = 6
Hence the two digit number is 63.
 
Answered by Sneha shidid | 11 Feb, 2019, 10:52: AM

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