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 ?

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 ? Correct Answer 80

সুরভি মানে সুবাস বা সুগন্ধ। পূতি মানে পচা গন্ধ, দুর্গন্ধ। তাই এরা বিপরীতার্থক।
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