NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 616  622 of 1484
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Question number: 616
» Mathematics » Quadratic Equations
Question
The roots of are
Choices
Choice (4)  Response  

a.  0,1, 1 and 3 

b.  0,1 and 3 

c.  0 and 1 

d.  1 

Question number: 617
» Mathematics » Quadratic Equations
Question
The roots of the equation are
Choices
Choice (4)  Response  

a.  Imaginary 

b.  Rational and equal 

c.  Irrational and unequal 

d.  Real and equal 

Question number: 618
» Mathematics » Quadratic Equations
Question
If has roots which are numerically equal but of opposite signs, the value of ‘p’ must be
Choices
Choice (4)  Response  

a.  1 

b. 


c. 


d. 


Question number: 619
» Mathematics » Surface Area and Volumes
Question
With a bucket of radius 7 cm and height 16 cm, 12 buckets of lime was poured to form a conical heap. If its area is , the canvas required to cover it is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 620
Question
If A = then = ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 621
» Mathematics » Quadratic Equations
Question
The roots of the equation can be obtained graphically by finding the abscissas of the pointing of intersection of each of the following pairs of equations except
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 622
» Mathematics » Surface Area and Volumes
Question
A circus tent is in the form of a cone over a cylinder. The diameter of the base is 8 m, the height of cylindrical part is 2.4 m and the total height of the tent is 5.4 m. The canvas required for the tent is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

