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.
How many children are there in a group?
I. Average age of the children in this group is 15 years. The total age of all the children in this group is 240 years.
II. The total age of all the children in the group and the teacher is 264 years. The age of the teacher is 9 years more than the average age the children.
(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 not sufficient to answer the question.
Question ID - 51454 | SaraNextGen Top Answer 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.
How many children are there in a group?
I. Average age of the children in this group is 15 years. The total age of all the children in this group is 240 years.
II. The total age of all the children in the group and the teacher is 264 years. The age of the teacher is 9 years more than the average age the children.
(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 not 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.
How many children are there in a group?
I. Average age of the children in this group is 15 years. The total age of all the children in this group is 240 years.
II. The total age of all the children in the group and the teacher is 264 years. The age of the teacher is 9 years more than the average age the children.
(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 not sufficient to answer the question.
Let there be 
children in the group.
I. Average age = 15 yrs. 
Total age = 
yrs.
So, there are 16 children in the group.
II. Total age of 
children and 1 teacher is 264 yrs.
Age of teacher = 
= 24 yrs.
Total age of 
children =
yrs.
This does not give the answer.