The pie chart shows the number of participants from four countries P, Q, R and S taking part in a tennis tournament.
If there are 18 participants from country S, find the number of participants from country R.

18

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21

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27

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42

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Solution

The correct option is D $42$
$90 + 2 x + x + 60 = 360 °$
$3 x + 150 = 360 x = \frac{210}{3} = 70 °$

Number of participants from S $= 18$
Total participant $= \frac{18 * 360}{60} = 108$

Hence number of participants of R $= 108 * \frac{146}{360} = 42.$

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The pie chart shows the number of participants from four countries P, Q, R and S taking part in a tennis tournament.If there are 18 participants from country S, find the number of participants from country R.

The correct option is D 4290+2x+x+60=360°3x+150=360x=2103=70°Number of participants from S=18Total participant=18∗36060=108Hence number of participants of R =108∗146360=42.

The pie chart shows the number of participants from four countries P, Q, R and S taking part in a tennis tournament.
If there are 18 participants from country S, find the number of participants from country R.

The correct option is D $42$
$90 + 2 x + x + 60 = 360 °$
$3 x + 150 = 360 x = \frac{210}{3} = 70 °$

Number of participants from S $= 18$
Total participant $= \frac{18 * 360}{60} = 108$

Hence number of participants of R $= 108 * \frac{146}{360} = 42.$