Questions from 1 - 2 are based on the following diagram in which there are three intersecting circles. H representing The Hindu, I representing Indian Express and T representing The Times of India. A total of 50 persons were surveyed and the number in the Venn diagram indicates the number of persons reading the newspapers.













1. How many persons would be reading at least two newspapers?
(A) 23
(B) 25
(C) 27
(D) 29



2. How many persons would be reading almost two newspapers?
(A) 23
(B) 25
(C) 27
(D) 48



3. Which of the following graphs does not represent regular (periodic) behaviour of the variable f(t)?

(A) 1
(B) 2
(C) 3
(D) 4


4. Which of the following sources of data is not based on primary data collection?
(A) Census of India
(B) National Sample Survey
(C) Statistical Abstracts of India
(D) National Family Health Survey



5. Which of the four data sets have more dispersion?
(A)       88        91        90        92        89        91
(B)       0          1          1          0          –1        –2
(C)       3          5          2          4            1          5
(D)       0          5          8          10        –2        –8