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Question: If 75 percent of a class answered the first question on a certain test correctly, 55 percent answered the second question on the test correctly, and 20 percent answered neither of the questions correctly, what percent answered both correctly?
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Question: If 75 percent of a class answered the first question on a certain test correctly, 55 percent answered the second question on the test correctly, and 20 percent answered neither of the questions correctly, what percent answered both correctly?
Question 1: If 75 percent of a class answered the first question on a certain test correctly, 55 percent answered the second question on the test correctly, and 20 percent answered neither of the questions correctly, what percent answered both correctly?
View topic: শতকরা ও লাভ-ক্ষতি (Percentage and Profit and loss)
0.1
0.2
0.3
0.5
Source: United Commercial Bank Ltd - Management Trainee Officer - 07.06.2013
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Answer: 0.5
Explanation:
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