in a two digit number the digit at the unit place is double the digit in the tens place . the number exceededs the sum of its digits by 18 . find the number
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Answer: 24
Step-by-step explanation:
Let the digit in ten's place=x
The digit in one's place= 2x
The number = (10×x)+(1×2x)= 10x+2x=12x
Sum of digits=x+2x=3x
Given in question = 3x+18=12x
=18=12x-3x=9x
=9x=18
=x =18÷9=2
So the number =(2×10)+(2×2×1)
=20+4=24
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