Mathematics 1 Deneme Sınavı Sorusu #1220130

The number of students taking Piano course is 45, the number of students taking Flute course is 15. The number of students taking neither Piano nor Flute courses is 17. The number of students taking both Piano and Flute courses is 22. What is the total number of students in this class ?


99

65

55

67

31


Yanıt Açıklaması:

45 + 15 + 17 – 22 = x ; x = 55 . pg. 5. Correct answer is C.

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