Out of a group of 200 students who know at least one language hundred students know English 80 students know Kannada 70 students know Hindi if for the students know all the three language find the number of students who know exactly two language
Pls allow us to take screenshot.bcoz if i want to clarify something about the sums which is given in ur app i am not in a postion to markout that.so pls enable screenshot service kindly sir.with regards a teachoos user.
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