| Direction: Read the following information carefully to answer the given questions. A survey of film-watching habits of people living in 5 cities, 1, 2, 3, 4 and 5 is summarised below. The column (1) gives percentage of film-watchers in each city who see only film a week. The column (2) gives the total number of film-watchers who see more than one film per week. |
| City | (1) | (2) |
| 1 | 50 | 3200 |
| 2 | 30 | 3500 |
| 3 | 65 | 7000 |
| 4 | 25 | 5400 |
| 5 | 80 | 2900 |
A) 900
B) 1500
C) 1600
D) 3200
Correct Answer: B
Solution :
Percentage of film-watchers in city 2 see more than one film. \[=100-30=70\] \[\therefore \] \[70%=3500\] \[\therefore \] \[30%=\frac{3500}{70}\times 30=1500\] \[\therefore \] Number of film-watchers in city 2 see only one film a week = 1500
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