THREE MATH CLASSES , X, Y, AND Z, TAKE AN ALGEBRA TEST. THE AVERAGE SCORE IN CLASS X IS 83. THE AVERAGE SCORE IN CLASS Y IS 76. THE AVERAGE SCORE IN CLASS Z IS 85. THE AVERAGE SCORE OF ALL STUDENTS IS CLASSES X AND Y TOGETHER IS 79. THE AVERAGE SCOR

Question

নিচের অপশন গুলা দেখুন

• 82
• 81.5
• 85
• 81

Answer 1

সঠিক উত্তর হচ্ছে: 81.5