How many students from Institute R got placement?

Q: Answer-How many students from Institute R got placement? I. The number of students studying in Institute Q...

From I and II, Let the number of students in institute Q be 5x and that in institute R be 7x. Then, 55 of students in R got placement. there4 55 of 7x got placement. So, neither I nor II is sufficient to answer the question because the exact number of students is not given.

I. The number of students studying in Institute Q and R are in the ratio of 5:7. II. 55% of the students studying in institute R got placement. Each of the questions given below has one question and two statements marked I and II. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer.

A If the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.

B If the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.

C If the data either in statement I alone or in statement II alone is sufficient to answer the question.

D If the data even in both the statement I and II together are not sufficient to answer the question

E If the data in both statement I and II together are needed to answer the question.

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