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Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of Mathematics Quadratic equations for NDA Exam student. This free online Mathematics study material for NDA Exam will help students in learning and doing practice on Quadratic equations topic of NDA Exam Mathematics. The study material on Quadratic equations, help NDA Exam Mathematics students to learn every aspect of Quadratic equations and prepare themselves for exams by doing online test exercise for Quadratic equations, as their study progresses in class. Kidsfront provide unique pattern of learning Mathematics with free online comprehensive study material and loads of NDA Exam Mathematics Quadratic equations exercise prepared by the highly professionals team. Students can understand Quadratic equations concept easily and consolidate their learning by doing practice test on Quadratic equations regularly till they excel in Mathematics Quadratic equations.


Quadratic equations
Which of the following quadrilaterals is a rhombus

a)         All four sides are equal
b)         Opposite sides are equal
c)         Opposite sides are parallel
d)         Angle between the diagonals is 60°



Answer
Correct Answer Is :         All four sides are equal
Solution Is :
In a rhombus PQRS angle PQR=30° then angle QRS is equal to

a)         45°
b)         60°
c)         75°
d)         90°



Answer
Correct Answer Is :         75°
Solution Is :
If an angle of a parallelogram is two-thirds of its adjacent angle then the smallest angle of the parallelogram is

a)         30°
b)         72°
c)         60°
d)         108°



Answer
Correct Answer Is :         72°
Solution Is :
A parallelogram need not be a rectangle if

a)        diagonals are congruent
b)        diagonals bisect the angles to which they are drawn. 
c)        diagonals are perpendicular to each other.  
d)        opposite sides are parallel



Answer
Correct Answer Is :        opposite sides are parallel
Solution Is :
In the accompanying diagram of rhombus ABCD,  m

a)        45
b)        90  
c)        120 
d)        140 



Answer
Correct Answer Is :        90  
Solution Is :
If two consecutive sides of a rhombus are represented by  4x - 8  and  2x + 6,  then the perimeter of the rhombus is

a)        80         
b)        60  
c)        40
d)        76 



Answer
Correct Answer Is :        80         
Solution Is :
The area of a rhombus is

a)        1/2 x product of the diagonals    
b)        product of diagonals
c)         1/3 x product of the diagonals   
d)         1/4 x product of the diagonals   



Answer
Correct Answer Is :        1/2 x product of the diagonals    
Solution Is :
In the adjoining figure ABCD is a rhombus where AC=8cm and BD=6cm then BC equals to

a)         7 cm         
b)        10 cm 
c)        5 cm
d)        12 cm 



Answer
Correct Answer Is :        5 cm
Solution Is :
In a quadrilateral ABCD, angle A plus angle C is 2 times angle B plus angle D. If angle A=40° then angle B equals to

a)         60°                                    
b)    75°  
c)         110°              
d)    None of the above



Answer
Correct Answer Is :    None of the above
Solution Is :
Which property is not true for all trapezoids?

a)         Only two opposite sides are parallel.
b)         Angles of opposite parallel sides are equal
c)         Two opposite sides are non-parallel
d)         All angles are equal.



Answer
Correct Answer Is :         All angles are equal.
Solution Is :
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