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  1. Simplify :
    1. 1
      9
      19
    2. 1
      10
      19
    3. 2
      9
      19
    4. 3
      9
      19
Correct Option: B

It is a continued fraction. In such problems, we should start from the bottom and work upwards.
The given expression

= 1 +
1
 = 1 +
1
1 +
9
10 + 9
1010

= 1 +
10
 =
19 + 10
 =
29
 = 1
10
19191919


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