UGC NET Paper-1 Previous Year Questions on Data Interpretation - December 2004

Study the following graph and answer the questions from 1 to 3:

1. In which year was the sale of ‘Pep-up’ the maximum?
(A) 1990
(B) 1992
(C) 1993
(D) None of the above

2. In the case of which soft drink was the average annual sale maximum during the period 1988 - 1993.
(A) Pep - up only
(B) Cool - sip only
(C) Cool - sip and Dew – drop
(D) Pep - up and Dew – drop

3. What was the approximate percent drop in the sale of Pep - up in 1990 over its sale in 1989?
(A) 5
(B) 12
(C) 14
(D) 20

4. The number of students in two classes A and B and the respective “mean” of the marks obtained by each of the class are given in the following table:

Class A          Class B
Number of Students       20                    80
Arithmetic Mean            10                    20

The combined “mean” of the marks of the two classes will be:
(A) 18
(B) 15
(C) 10
(D) 20



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