नाती कशातुन निर्माण होतात?
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1
Answer:
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Answered by
1
Answer:
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Explanation:
Let digit at ten’s place = x and Let digit at one’s place = y
According to given condition, we have
x + y = 9 … (1)
And 9 (10x + y) = 2 (10y + x)
⇒ 90x + 9y = 20y + 2x
⇒ 88x = 11y
⇒ 8x = y
⇒ 8x – y = 0 … (2)
Adding (1) and (2), we get
9x = 9⇒ x = 1
Putting value of x in (1), we get
1 + y = 9
⇒ y = 9 – 1 = 8
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