Class 12

03. Sets and Relations question bank (Maths)

Practice 251 free Class 12 Maths - 03. Sets and Relations questions with answers and step-by-step solutions.

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Q1.

If a set \( A \) has \( 4 \) elements, then the total number of proper subsets of set \( A \), is

(A)
\( 16 \)
(B)
\( 14 \)
(C)
\( 15 \)
(D)
\( 17 \)
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Q2.

In a class of \( 175 \) students the following data shows the number of students opting one or more subjects. 
Mathematics \( 100 \), Physics \( 70 \), Chemistry \( 40 \), Mathematics and Physics \( 30 \), Mathematics and Chemistry \( 28 \), 
Physics and Chemistry \( 23 \), Mathematics, Physics and Chemistry \( 18 \). 
The number of students who have opted Mathematics alone is

(A)
\( 35 \)
(B)
\( 48 \)
(C)
\( 60 \)
(D)
\( 22 \)
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