In a two digit number digit at ten place is twice digit at units place .if number obtained by interchange digit is added to original number the sum is 66 find the number
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Answer:
42
Step-by-step explanation:
Let no.= 10y+x=20x+x=21x
Given- y=2x
Reversed no. = 10x+y=10x+2x=12x
According to question
21x+12x=66
33x=66
x=2
No.=10y+x
=10(2)(2)+2
=40+2
=42
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