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Question

The pq form of 0.¯¯¯¯¯¯18 is (where p and q are integers and q0) .

A
222
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B
211
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C
233
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Solution

The correct option is B 211

Given decimal is 0.181818......

Let us assume,

x=0.181818........ ---(1)

Multiply both sides of (1) by 100

100x = 18.1818.... ---(2)

Subtracting (1) from (2), we get 100xx=18.1818.... 0.1818......

99 x=18 x=1899 =211
pq form of the given decimal is 211.


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