Random-1(Mathematics)

If log_x 81 = 4, then x = ?

• 3

• 4

• 9

• 16

The sum of angles of a Parallelogram is:

• 180^o

• 240^o

• 320^o

• 360⁰

The L.C.M. of 9x² and 15x is:

• 24x²

• 45x²

• 135x²

• 135x³

The degree of given polynomial 2x³+3x²y³+2⁶ is:

• 3

• 4

• 5

• 6

The solution set of |y - 3| = - 4 is:

• {-1,2}

• {-2,-2}

• { }

• (1,3}

The sum of supplementary angles is:

• 45^o

• 90^o

• 180^o

• 360^o

If a+b = 3 and a - b = 1, then the value of a²+b² is:

• 2

• 3

• -1

• 5

In a right angled triangle the side opposite to the right angle is:

• Base

• Altitude

• Hypotenuse

• Diagonal

8^1/3 × 36^1/2 =

• 12

• 16

• 48

• None of these

If the determinant of matrix is Zero, the matrix is called a/an:

• Identity matrix

• Null matrix

• Singular matrix

• Non Singular matrix