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Ques:- A, B, C hired a car for Rs.520 and used it for 7, 8 and 11 hours respectively. Hire charges paid by B were
A. Rs. 140
B. Rs. 150
C. Rs. 160
D. Rs. 180
Ques:- a survey of 100 students at new england college showed the following:7 take english,history and language,17 take english and history,15 take english and language,18 take history and language,48 take english, 49 take history,38 take language.draw a venn diagram and answer the questions how many students
A. take history but neither of the other two?
B. take english and history but not language?
C. take none of the three?
D. take exactly two of the three?
E. do not take a language? (explanation also needed pls)