Question 1 of 10

If n(A) = 4, n(B) = 3, n ( A✗ B ✗ C) = 24, then n(C) is equal to

Question 2 of 10

Question 3 of 10

Which of the following on thermal decomposition yields a basic as well as an acidic oxide?

Question 4 of 10

A weak acid HX has {tex}K_a = 1 \times 10^-5 M{/tex}. It forms a salt NaX on reaction with alkali. The percentage degree of dissociation of 0.1 M solution of NaX is

Question 5 of 10

For the data

the Karl Pearson coefficient is

Question 6 of 10

The area bounded by the curve y=x⁴-2x³+x²+3 with x-axis and ordinates corresponding to the minima of y is

Question 7 of 10

A unit vector in the plane of vector i + 2j + k and i + j + 2k and perpendicular to 2i + j + k is

Question 8 of 10

The values of λ so that the line 3x-4y=λ touches x²+y²-4x-8y-5=0 are

Question 9 of 10

A binary liquid solution is prepared by mixing n - heptane and ethanol. Which one of the following statement is correct regarding the behaviour of the solution?

Question 10 of 10

If vector a = i + 2j + 3k and b = i × (a×i) + j×(a×j) + k×(a×k) then length of b is equal to