The following question consists of two statements I and II are given below. You have to decide whether the data provided in the statements are sufficient to answer the question.

Find out the value of the eleventh number in a set of eleven numbers.

I. The average of first ten numbers in the set is x.

II. The average of all the eleven numbers is y.

(a) The data in statement I alone was sufficient to the answer the question while II alone not sufficient to the answer the question.

(b) Data in statement II alone are sufficient to answer the question while data in statement I alone are not sufficient to answer the questions.

(c) The data in statement I alone or in statement II alone are sufficient to answer the questions.

(d) The data in both statements I and II are sufficient to answer the question.

The following question consists of two statements I and II are given below. You have to decide whether the data provided in the statements are sufficient to answer the question.

Find out the value of the eleventh number in a set of eleven numbers.

I. The average of first ten numbers in the set is x.

II. The average of all the eleven numbers is y.

(a) The data in statement I alone was sufficient to the answer the question while II alone not sufficient to the answer the question.

(b) Data in statement II alone are sufficient to answer the question while data in statement I alone are not sufficient to answer the questions.

(c) The data in statement I alone or in statement II alone are sufficient to answer the questions.

(d) The data in both statements I and II are sufficient to answer the question.

1 Answer

127 votes

I. gives, sum of first 10 numbers =

II. gives, sum of all the 11 numbers =

From we have 11^{th} number =

So, both I and II together give the answer.

127 votes

127