HSC Science (Computer Science) 11th Standard - Maharashtra State Board Question Bank Solutions for Mathematics and Statistics

If A and B are subsets of the universal set X and n(X) = 50, n(A) = 35, n(B) = 20, n(A'∩ B') = 5, find n(A ∩ B')

Write down the power set of A = {1,2,3}

Solve the following inequality and write the solution set using interval notation

− 9 < 2x + 7 ≤ 19

Solve the following inequality and write the solution set using interval notation

x² − x > 20

Solve the following inequality and write the solution set using interval notation

`(2x)/(x - 4) ≤ 5`

Solve the following inequality and write the solution set using interval notation

6x² + 1 ≤ 5x

If A = (–7, 3], B = [2, 6] and C = [4, 9] then find A ∪ B 

If A = (–7, 3], B = [2, 6] and C = [4, 9] then find B ∪ C

If A = (–7, 3], B = [2, 6] and C = [4, 9] then find A ∪ C

If A = (–7, 3], B = [2, 6] and C = [4, 9] then find A ∩ B

If A = (–7, 3], B = [2, 6] and C = [4, 9] then find B ∩ C

If A = (–7, 3], B = [2, 6] and C = [4, 9] then find A ∩ C

If A = (–7, 3], B = [2, 6] and C = [4, 9] then find A' ∩ B

If A = (–7, 3], B = [2, 6] and C = [4, 9] then find B' ∩ C'

If A = (–7, 3], B = [2, 6] and C = [4, 9] then find B – C

If A = (–7, 3], B = [2, 6] and C = [4, 9] then find A – B

For the set A = {a, b, c, d, e}, the correct statement is ______. 

Select the correct answer from given alternative.

If aN = {ax : x ∈ N}, then set 6N ∩ 8N =

Select the correct answer from given alternative.

If set A is empty set then n[P [P [P (A)]]] is

Select the correct answer from given alternative.

If the two sets A and B are having 43 elements in common, then the number of elements common to each of the sets A × B and B × A is