The sum of the first n natural numbers given by:

1

If two fair dice are rolled, what is the probability of getting a sum of 7?

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2

How many was can 4 books be arranged on a shelf?

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3

The fundamental theorem of algebra states that:

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4

The square root of -9 is:

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5

If f(x) = $x^2$ + 3x - 4, find f(-1).

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6

The general term in the expansion of $(x + y)^n$ is:

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7

If A={1,2,3} and B={4,5}. What is the number of elements in A×B ?

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8

What is the number of subsets of a set containing 5 elements?

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9

Which function is used to find the length of a string in C?

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10

Which of the following is an example of a secondary storage device?

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1

If the 5th term of an arithmetic progression is 20 and the common difference is 3, what is the first term?

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2

The determinant of the identity matrix of order 3 is :

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3

The function f(x) = |x| is:

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4

The area under a curve between two points is given by:

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5

The order of the differential equation $\frac{d^2 y}{dx^2} + 3\frac{dy}{dx} = 5$ is:

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6

The degree of the differential equation $\left(\frac{d^2 y}{dx^2}\right)^3 + \frac{dy}{dx} = 0$ is:

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7

If $A$ and $B$ are independent events, then $P(A \cap B)$ is:

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8

The probability of getting at least one head when tossing two fair coins is:

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9

A random variable X follows a binomial distribution with parameters n = 5 and p = 0.3 . The expected value of X is:

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10

If $A$ and $B$ are two square matrices of the same order, then $(A + B)^2 =$

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