Out of 32 persons, 30 invest in National...

Out of 32 persons, 30 invest in National Savings Certificates and 17 invest in shares. What is the number of persons who invest in both?

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S CHAND IIT JEE FOUNDATION-PROBABILITY-QUESTION BANK -30

If A , B and C are three finite, sets, then what is [A 'uuB ') nn C]' ...
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If X and Y are any two non-empty sets, then what is (X-Y)' equal to?
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Out of 32 persons, 30 invest in National Savings Certificates and 17 i...
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If A=P({1, 2}) where P denotes the power set, then which one of the fo...
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Which one of the following statement is correct? where P(A) den...
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If mu is the universal set and P is a subset of mu then what is Pnn(P-...
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If F(n) denotes the set of all divisors of n except 1, what is the lea...
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Consider the following for any three non-empty sets, A, B and C. 1...
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Let A and B be two non-empty subsets of a set X. If (A-B)uu(B-A)=AuuB...
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Which one of the following is correct ?
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If A = { 1,2,3} , B = { 1,2} and C = { 2,3} , which one of the foll...
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If A and B are finite sets, which of the following is the correct st...
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Out of 40 children , 30 can swim,27 can play chess and 5 can do ne...
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Which one of the following is correct ?
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Consider the following statements: For non empty sets A, B and C ...
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Out of 800 students in a school ,125 played cricket , 220 played footb...
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If n (A) = 65, n(B) = 32 and n (A nn B) = 14, then n (A Delta B) ...
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Two finite sets have m and n elements. The total number of subsets of ...
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U is a universal set and n (U) = 160 where A ,B and C are subset of...
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Match List- I with List-II and select the correct answer using the c...
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