Question # 1

The number of ways in which we can courier 5 packets to 10 cities is

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2 x 5⁰

5¹⁰

10⁵

2¹⁰

For which of the following ordered pairs (s, t) is s + t > 2 and s - t < -3?

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(3, 2)

(2, 3)

(1, 8)

(0, 3)

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If any two rows (or any two columns) of a square matrix are inter changed, the determinant of the resultant matrix is

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Same as the original determinant

Additive inverse of the original determinant

Both A and B

Adj of the original matrix

Cos 315°=

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0.707

0.5

1

0

If A and B are matrices of same order than (,A + B)(A + B) =

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A²+ B²

A²+ B²+ 2AB

A + B

A²+ B²+ AB + BA

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If c is a constant number and if f is the function defined by the equation f(x) = c for all values of x, then f is differentiable at every x and f is defined the equation f(x) = _________

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f

1

C

0

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An irrational number

Whole number

A positive integer

A rational number

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(0, e)

(0, 1)

None

If A and B are matrices such that AB=BA=I then

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A and B are multiplicative inverse of each other

A and B are additive inverses of each other

. A and B are singular matrices

A and B are equal

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