AP ICET 2017 Shift 2 Paper

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Note:
In questions numbered 1 to 20, a question is followed by data in the form of two statements labelled as I and II. You must decide whether the data given in the statements are sufficient to answer the questions. Using the data make an appropriate choice from (1) to (4) as per the following guidelines:

Question : 10 of 200

Marks: +1, -0

What was the percentage of defective items produced in the factory?
I. The ratio of defective items to the non defective items was 25 : 625.
II. The total number of defective items produced was 225.

if the statement I alone is sufficient to answer the question.
if the statement II alone is sufficient to answer the question.
if both the statements I and II are sufficient to answer the question but neither statement alone is not sufficient.
if both the statements I and II together are not sufficient to answer the question and additional data is required.

Validate

Solution:

Given :

\text "Number of defective items"/\text "Number of non-defective item"

=25/625=1/25

∴ Required %

=\text "Number of defective items"/\text "Total numbers of items"×100%

={1}/{1+25}×100\%={100}/{26}\%={50}/{13}\%=3{11}/{13}\%

Hence, I alone is sufficient.

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