Two mark exercise problems III — task. Mathematics State Board, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. Out of

$500$ car owners investigated,

$400$ owned car

$A$ and

$200$ owned car

$B$ ,

$50$ owned both

$A$ and

$B$ cars. Is this data correct?

Answer:

The given data is .

$A$ and

$B$ are two sets such that

$n(A - B) = 32 + x$ ,

$n(B - A) = 5x$ and

$n(A \cap B) = x$ . Illustrate the information by means of a Venn diagram. Given that

$n(A) = n(B)$ , calculate the value of

$x$ .

Answer:

$x =$

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7. Two mark exercise problems III