Question # 1

The trivial solution of the homogeneous linear equations is:

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(1, 0, 0)

(0, 1, 0)

(0, 0, 1)

(0, 0, 0)

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3

1

4

None

A matrix of order m×1 is called:

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row matrix

column matrix

identity matrix

scalar matrix

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3×3

3×2

2×1

2×3

No. of signals made by 5 flags of different colors using 3 flags at a time is:

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60

15

10

None

In a simultaneous throw of two dice, The probability of getting a total of 7 is:

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The period of sec 3x is :

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B - A is a subset of:

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A

B

A^-1 exists if A is:

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singular

nonsingular

symmetric

none

sin (α + ß) =

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tan(π + tan^-1x ) =

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x

π+x

π-x

none of these

No. of signals made by 4 flags of different colors using 2 flags at a time:

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6

12

60

none

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T₆

T₇

T₈

T₅

Two A.Ms. between 3 and 9 are:

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3. 6

5, 7

6, 12

3, 9

Number of terms in the expansion of (x+y)⁶ is:

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7

6

2

8

The range of principal cosine function is:

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If each element in any row or each element in any column of a square matrix is zero, then value of the determinant is:

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0

1

-1

none of these

If a matrix A is symmetric as well as skew symmetric, then:

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A is null matrix

A is unit matrix

A is triangular matrix

A is diagonal matrix

G.M between -2i and 8i is:

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4 or -4

4i or -4i

2 or -2

none

If A = {1, 2, 7, 9}, B = {1, 4, 7, 11}:

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disjoints sets

equal sets

overlapping sets

complementary sets

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scalar matrix

diagonalmatrix

triangularmatrix

none of these

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