The number of students in a class is 75,...

The number of students in a class is 75, out of which `33 1/3`% are boys and the rest are girls. The average score in mathematics of the boys is `66 2/3`% more than that of the girls. If the average score of all the students is 66, then the average score of the girls is:
एक कक्षा में 15 छात्र हैं, जिनमें से `33 1/3`% लड़के हैं और शेष लड़कियाँ हैं | लड़कों का गणित में औसत अंक लड़कियों के गणित में औसत अंक से `66 2/3`% अधिक है | यदि सभी छात्रों का औसत अंक 66 है, तो लड़कियों का औसत अंक ज्ञात करें |

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In a class, the mumber of boys is 40% more than the number of girls. The average score in mathematics of all the students in the class is 55. If the average score of girls is 35% more than that of boys, then what is the average score in mathematics of girls?

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