12. Out of a group of 1000 people, 560 have a TV, 250 have a computer and 130 have both.
Find the number of people who have
(i) only a TV
(ii) only a computer
(lii) either a TV or a computer or both (iv) neither a TV nor a computer.
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Answer:
Step-by-step explanation:
Given,
Total people = 1000
People have tv = 560
People have computer = 250
People have both = 130
(1) People have only tv = 1000 - 560 = 440
(2) People have only computer = 1000 - 250 = 750
(3) People have both = 1000 - 130 = 870
(4) people have neither tv nor computer = no
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