In a survey of 1000 families, it is found that 384 families use only electric stoves and100 families use electric and gas stoves. If all the families use atleast one of these two types of stoves, find how many families use only gas stoves?

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552

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516

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500

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Solution

The correct option is C 516

From the Venn diagram,
484 + x = 1000
$\Rightarrow$ x = 1000-484
x = 516
Hence, 516 families use only gas stoves.

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In a survey of 1000 families, it is found that 384 families use only electric stoves and100 families use electric and gas stoves. If all the families use atleast one of these two types of stoves, find how many families use only gas stoves?

The correct option is C 516 From the Venn diagram, 484 + x = 1000 ⇒ x = 1000-484 x = 516 Hence, 516 families use only gas stoves.

The correct option is C 516

From the Venn diagram,
484 + x = 1000
$\Rightarrow$ x = 1000-484
x = 516
Hence, 516 families use only gas stoves.