Question 1 :
If A = {x | x is a colour of rainbow} and B = {white, red, green}, then A ∩ B is<br/>
Question 2 :
If P = {-1, 0, 1, 2, 5} and Q = {3, 5, 7}, then P ∪ Q is<br/>
Question 3 :
If ξ = W and A = {x | x ϵ W and x ≤ 10}, then A’ is<br/>
Question 4 :
a(b -c) + b(c – a) + c(a – b) is equal to<br/>
Question 6 :
If x + {tex}\frac{1}{x}{/tex} = 2, then x<sup>2</sup> + {tex}\frac{1}{x^{2}}{/tex} is equal to<br/>
Question 7 :
If the area of a rectangle is 24(x<sup>2</sup>yz + xy<sup>2</sup>z + xyz<sup>2</sup>) and its length is 8xyz, then its breadth is<br/>
Question 8 :
The smallest number by which 75 should be divided to make it a perfect square is<br/>
Question 9 :
The smallest number by which 162 should be multiplied to make it a perfect square is<br/>
Question 10 :
The smallest number that should be subtracted from 300 to make it a perfect square is<br/>
Question 12 :
If ₹12000 taken for 2 years at 4% per annum compounded quarterly, then time period and rate is<br/>
Question 13 :
The compound interest on ₹10000 at 8% per annum for 6 months compounded quarterly is
Question 17 :
The volume of a cube is 729 m<sup>3</sup>. Length of its side is<br/>
Question 19 :
The smallest number by which 192 should be multiplied to make it a perfect cube is<br/>