Question # 1

√2 +√3 +√5) = (√2 +√3 +√5: this property is called

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associative property w.r.t addition

commutative property

Closure property w.r.t addition

Additive identity

A cone is generated by all lines through a fixed point and the circumference of

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a Circle

an ellipse

a Hyperbola

None of these

The number of non zero rows in echelon form of a matrix is called

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Order of matrix

Rank of matrix

Row operation

None of these

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Singular

Non-singular

Adjoint

None of above

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0

1

none of these

Roots of the equation 2x²- 7x + 3 = 0 are

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Rational

Irrational

Complex

None of these

A function in which the second elements of the order pairs are distinct is called

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Onto function

One-one function

Identity function

Inverse function

The number of terms in the expansion of (a + b)⁹is

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10

11

9

12

The symbol ______ shall be used both for equation and identity

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If (0, 0) and (0, -1) are end points of a diameter, then the equation of the circle is

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f(x) = 2x²+ 3x + 5 is a

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trigonometric function

algebraic function

exponential function

logarithmic function

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3, -3, 11

3, 3, 11

-3, 3, -11

-3, -3, 11

The next term of the sequence 1, 2, 4, 7, 11, ..... is.

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15

16

17

18

The distance of the point (-2, -3) from the origin is

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2

-5

-3

A person standing on the bank of a river observes that the angle of elevation of the top of a tree on the opposite bank of the river is 60° and when he retires 40 meters away from the tree the angle of elevation becomes 30°. The breadth of the river is