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The pie chart shows the distribution of students in a secondary school class. If 30...

Mathematics
JAMB 1995

The pie chart shows the distribution of students in a secondary school class. If 30 students offered French, how many offered C.R.K?

 

 

 

 

  • A. 25
  • B. 15
  • C. 10
  • D. 8
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Correct Answer: Option C
Explanation

Total number of students (y) using the subject French

( 90 / 360 )º x Y = 30

Y = 30 x 4

Y = 120

 History- 90º + French- 90º + Economics- 150º + CRK = 360º


CRK = 360º - 330º = 30º

 

Number that offered CRK:

( 30 / 360 )º x 120 = 10


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