Class 12th bihar board pyq 2026

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Uday Bihar Board 2026
Math DPP: 3

Interval as subsets of R, Power Set

Q1 In the following, state whether A = B or not Q6 The number of elements in the power set
(A) A = {a, b, c, d}, B = {d, c, b, a} of the set is
(B) A = {4, 8, 12, 16}, B = {8, 4, 16, 18} (A) 4 (B) 8
(C) A = {x : The number x is a multiple of 10} B (C) 2 (D) 6
= {10, 15, 20, 25, 30, …}
(D) neither of the above Q7 Which of the following cannot be the number
of elements in the power set of any finite set?
Q2 Total number of possible subsets of (A) 26 (B) 32
is - (C) 8 (D) 16
(A) 2 (B) 4
Q8 If , then
(C) 6 (D) 8
(A)
Q3 If every element of set A is also an element of (B)
set B then A is said to be - (C)
(A) a super set of B (D)
(B) a power set of B
(C) a subset of B Q9 If and are not disjoint sets, then
(D) None of these is equal to
(A)
Q4 The collection of all subsets of a set A is called
(B)
-
(C)
(A) Super set (B) Sub set
(D)
(C) Power set (D) Equal set

Q5 If A be a set having m-no. of elements Then Q10 In a school there are teachers who teach
total no. of subsets of A is - mathematics or physics. Of these, teach
(A) mathematics and teach both physics and
(B) mathematics. The number of teachers who
teach physics are
(C)
(A) (B)
(D)
(C) (D)




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Answer Key
Q1 A Q6 B
Q2 B Q7 A

Q3 C Q8 C
Q4 C Q9 B
Q5 A Q10 C




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