NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 803  809 of 1484
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Question number: 803
» Mathematics » Coordinate Geometry
Question
The distance of the point from the origin is
Choices
Choice (4)  Response  

a.  units  
b.  units  
c.  units  
d.  Both b. and c. are correct 
Question number: 804
» Mathematics » Coordinate Geometry
Question
The point (1,3) belongs to Quadrant ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 805
» Mathematics » Quadratic Equations
Question
The product of two consecutive odd numbers is 99. The numbers are
Choices
Choice (4)  Response  

a.  11 & 9  
b.  11 & 9  
c.  11 & 9  
d.  Question does not provide sufficient data or is vague 
Question number: 806
» Mathematics » Quadratic Equations
Question
If the sum of the roots of the quadratic equation is equal to the product of the roots, then the value of ‘k’ is
Choices
Choice (4)  Response  

a.  3  
b.  2  
c.  3  
d.  2 
Question number: 807
» Mathematics » Quadratic Equations
Question
If one root of the equation is twice the other, then ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 808
Question
The angle of elevation of top of a vertical tower from a point P on the ground is . At a point Q, 20 m vertically above P, the angle of elevation is . Find the height of tower.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 809
» Mathematics » Triangles
Question
In the bisector of intersects QR in D. If QD: DR = 6: 13 and PR = 26 cm then PQ = ________.
Choices
Choice (4)  Response  

a.  12 cm  
b.  24 cm  
c.  7.5 cm  
d.  6 cm 