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

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

Question 3 of 10

then the matrix A is equal to

A

B

C

D

E

Question 4 of 10

At a certain temperature, the dissociation constants of formic acid and acetic acid are 1.8 x 10-4 and 1.8 x 10-5 respectively. The concentration of acetic acid solution in which the hydrogen ion has the same concentration as in 0.001 M formic acid solution is equal to

Question 5 of 10

Two identical balls A and B collide head on elastically. If the velocity of A and B before collision are 0.5 m/s and -0.3m/s respectively, then their velocities after collision will be

Question 6 of 10

A

B

C

Dall of the above

Enone of these

Question 7 of 10

The name of the compound in figure is

Question 8 of 10

then x is

Question 9 of 10

Two finite sets have m and n elements respectively. The total number of subsets of first set is 56 more than the total number of subsets of the second set. The values of m and n respectively are

Question 10 of 10

Any point on the hyperbola (x+1)²/16 - (y-2)²/4 = 1 is of the form