In a class of 150 students 55 speak English, 85 speak Telugu and 30 speak neither English nor Telugu. How many speak both English & Telugu?a.10b.120c.20d.45
Question
Solution 1
The problem can be solved using the principle of inclusion and exclusion.
Step 1: Find the total number of students who speak at least one language. This is the total number of students minus the number who speak neither language. So, 150 - 30 = 120 students speak either English or Telugu.
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