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.
Question 42
Find the number of persons who can speak only Telugu?
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,12 students speak only Telugu.
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