Question # 1

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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None of these

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

Which of the following is the subset of all sets?

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{1, 2,3}

{0}

Which is not a half plane

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ax + by < c

ax + by > c

Both A and B

None

If the 19th term of A.P is 8 and the 4th term is 20, then the first term is

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20.2

25.5

27.5

37.5

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The difference of two consecutive terms of an A.P. is called

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Constant of series

Common ratio

Common difference

General term

The sum of the series 1+5+9+13+17+21+25+29 is

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140

130

120

110

A function F(x) is called even if

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F(x) = F(-x)

F(x) = -F(x)

2F(x) = 0

A standard deck of 52 cards is shuffled. What is the probability of choosing the queen of the diamonds

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1/5

1/13

5/52

1/52

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