For a certain student, the average of five test scores is 83. If four of the scores are 81,79,85 and 90 . What is the score of the fifth test ?

A 83
B 82
C 81
D 80

Correct Answer: 80

সুরভি মানে সুবাস বা সুগন্ধ। পূতি মানে পচা গন্ধ, দুর্গন্ধ। তাই এরা বিপরীতার্থক।
Bissoy MCQ
#গণিত #Bangladesh Bank #গড় (Average) #Bangladesh Bank - Assistant Director - 2006

Related Questions

Three maths classes: X, Y, and Z take an algebra test. The average score of class X is 83. The average score of class Y is 76. The average score of class Z is 85. The average score of class X and Y is 79 and the average score of class Y and Z is 81. What is the average score of the combined classes X, Y, and Z?
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