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A survey of 100 households recorded the number of TV sets. The frequencies for 0, 1, 2 and 3 sets are in the ratio 1 : 5 : 3 : 1.
How many households have exactly 1 TV set?

Class 8Organising DataData Handling
  • A55
  • B50
  • C45
  • D100

Step-by-Step Solution

Ratio parts sum = 1 + 5 + 3 + 1 = 10. One part = 100 / 10 = 10. Households with 1 set = 5 parts = .
Answer: B) 50

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