Question on: WAEC Mathematics - 2013
The pie chart shows the distribution of 600 mathematics textbooks for Arts, Business, Science and Technical Classes. How many textbooks are for the technical class?
A
100
B
150
C
200
D
250
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Correct Option: D
Arts = 90o business = 75o, science = 45o
Technical 360o - (90o - 75o + 45o) = 360o - 210o
Technical = 150o
textbooks for technical class = (\frac{150^o}{360^o}) x 600
= 250
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