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If and are two sets such that , then
(a)
(b)
(c)
(d)None of these

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Important Questions on Sets, Relations and Functions
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families own both a car and a phone.
families own either a car or a phone.
families live in the town.
Then,



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HARD

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both the roots of are real and
Which of the following is not true?

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MEDIUM


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Let , where each contains elements and each contains elements. If each element of the set is an element of exactly of sets 's and exactly of sets 's then is equal to :

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HARD
families own at least one of a car or a phone.
families live in the town.
Then:

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