I. A. T. V. Educational Academy
Unit Test - II (2023- 2024) 
Subject :- Mathematics
Class :- IX
 M. M. = 10
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Q. 1 The triangle whose all sides are equal is called as

a) Isosceles triangle

b) Right angle triangle

c) Equilateral triangle

d) None

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Q. 2 The sum of all three angles of the triangle is

a) 90°

b) 180°

c) 360°

d) 270

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Q. 3 Perimeter of triangle of different sides is
a) P= a + b + c

b) P= a + b

c) P= b + c

d) P= 2(a + b + c)
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Q. 4 In Herons formula the term s means

a) S= a + b +c

b) S= (a + b + c)/2

c) S= 2(a + b + c)

d) None

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Q. 5 Herons formula is used to find

a) Perimeter of triangle

b) Area of rectangle

c) Area of triangle

d) Area of circle

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Q. 6 If x + 1 is a factor of the polynomial 2x² + kx, then the value of k is:
a) -3
b) 4
c) 2
d) -2
Clear selection
Q. 7 (x+2) is a factor of x³+3x²+5x+6

a) False

b) True

c) Not confirm

d) None
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Q. 8  x³-y³-3x²y+3xy²=

a) (x+y)²

b) (x-y)³

c) (x-y)²

d) (x+y)³

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Q. 9 (x-y)(x+y)=

a) x²+y²

b) x²-y²

c) (x+y)²

d) (x-y)²

Clear selection
Q. 10  (x-3)(x+5)=

a) x²-2x-15

b) x²-2x+15

c) x²+2x-15

d)  x²+3x²-15

Clear selection
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