Question

(b) The digit in the ones place of a 2-digit number is twice the digit at the tens place.Write the number
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Answer 1

Answer:

Let the digit at ten's place be x  

Since we are given that the digit in the ones place of a 2 digit number is twice the digit at the tens place

So, the digit at ones place = 2x  

the number contains two digits  

So, Number = 12x  

Hence the number is   12x