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In a survey of 1,000 households — washing machines, vacuum cleaners and refrigerators were counted. Each house had at least one of these appliances. 400 had no refrigerator, 380 had no vacuum cleaner and 542 had no washing machines. 294 had both a vacuum cleaner and a washing machine, 277 had both a refrigerator and a vacuum cleaner, 120 had both refrigerator and a washing machine. How many had only a vacuum cleaner? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about In a survey of 1,000 households — washing machines, vacuum cleaners and refrigerators were counted. Each house had at least one of these appliances. 400 had no refrigerator, 380 had no vacuum cleaner and 542 had no washing machines. 294 had both a vacuum cleaner and a washing machine, 277 had both a refrigerator and a vacuum cleaner, 120 had both refrigerator and a washing machine. How many had only a vacuum cleaner? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a survey of 1,000 households — washing machines, vacuum cleaners and refrigerators were counted. Each house had at least one of these appliances. 400 had no refrigerator, 380 had no vacuum cleaner and 542 had no washing machines. 294 had both a vacuum cleaner and a washing machine, 277 had both a refrigerator and a vacuum cleaner, 120 had both refrigerator and a washing machine. How many had only a vacuum cleaner?.

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