Instructions
Read the following information and answer the following questions.
In a class of 40 students, 28 can speak Tamil and 30 can speak Telugu.
All students can speak at least one of the two languages.
Solution
Let x students can speak both Tamil and Telugu.
So, only Tamil = 28 - x
Only Telugu = 30 - x
According to the question,
(28 - x) + (30 - x) + x = 40
58 -x = 40
x = 18
Hence, 18 students can speak both Tamil and Telugu.
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