| Direction: The pie chart given below shows the marks obtained by a student in an examination. If the total marks obtained by him in the examination were 720, answer the questions given below based on this pie chart. |
 |
A) 50
B) 20
C) 10
D) 40
Correct Answer: A
Solution :
(a): Difference of corresponding angles \[={{90}^{{}^\circ }}-{{70}^{{}^\circ }}={{20}^{{}^\circ }}\] \[\therefore {{360}^{{}^\circ }}={{720}^{{}^\circ }}\] \[\therefore {{25}^{{}^\circ }}=\frac{{{120}^{{}^\circ }}}{{{360}^{{}^\circ }}}\times 25={{50}^{{}^\circ }}\]
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