EXERCISE
6 B
(DATA
SUFFICIENCY TYPE QUESTIONS)
Directions
(questions 1 to 10): each of the questions given below consists of a statement
and. or a question and two statements numbered 1 and II given below it. You
have to decide whether the data provided in the statement (s) is /are
sufficient to answer the given question. Read both the statements and
Given
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;
Give
answer (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;
Give
answer (C) if the data either in statement I or in Statement II alone are
sufficient to answer the question;
Give answer
(d) if the data even in both Statements I and II together are not sufficient to
answer the question;
Given
answer (e) if the data in both statements I and II together are necessary to
answer the question.
1.
The
total of the present ages of A, B, C and d is 96 years. What is B’s present
age?
I.
The
average age of A, B and D is 20 years.
II.
The
average age of C and D is 25 years.
2.
What
is the average age of children in the class?
I.
Age
of the teacher is as many years as the number of children.
II.
Average
age increased by 1 year as the number of children.
3.
What
is the average weight of the three new team members who are recently included
in the team?
I.
The
average weight of team increases by 20 kg.
II.
The
three new men substitute earlier members whose weights are 64 kg, 75 kg and 66
kg.
4.
The
average age of P,Q, R and S is 30 years.
How old is R?
I.
The
sum of ages of P and R is 60 years.
II.
S
is 10 years younger than R.
5.
How
old will C be after 10 years?
a)
Five
years ago, the average age of A and B was 15 years.
b)
Average
age of A, B and C today is 20 years.
ANSWRS