Mathematics MCQ Set 7

Question : The centre of the circle concentric with the circle x² + y²– 2x + 4y – 1 = 0 is _________

1. (2, –)
2. (– 1, 2)
3. (1, – 2)
4. (– 1, – 2)

Question : The conic is ellipse if _________

1. E < 1
2. E > 1
3. E = 1
4. E = 0

Question : Scalar triple product a . b× c represents the volume of _________.

1. Paralleopiped
2. Parallelogram
3. Square
4. Rectangle

Question : A set having no element is called

1. Singleton
2. Super set
3. Overlaping
4. Power set

Question : Conjugate of 2 – 3i is

1. 2 + 3i
2. – 2 – 3i
3. – 2 + 3i
4. +2 – 3i

Question : Two matrices are conformable for addition if they are

1. Null matrices
2. Of same order
3. Square matrix
4. Rectangular matrices