NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 567  573 of 1484
Access detailed explanations (illustrated with images and videos) to 1484 questions. Access all new questions we will add tracking exampattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.
Rs. 500.00 or
How to register?
Question number: 567
» Mathematics » Quadratic Equations
Question
The discriminant of with a, c and real constants is zero. The roots must be
Choices
Choice (4)  Response  

a.  Equal and integral 

b.  Real and equal 

c.  Imaginary 

d.  Rational and equal 

Question number: 568
» Mathematics » Coordinate Geometry
Question
In what ratio is the segment joining the points and divided by Xaxis?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 569
» Mathematics » Arithmetic Progressions
Question
The value of is
Choices
Choice (4)  Response  

a.  225 

b.  90 

c.  85 

d.  112 

Question number: 570
Question
If , then
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 571
» Mathematics » Surface Area and Volumes
Question
The height of a cone is 60 cm. A small cone is cut off at the top by a plane parallel to the base. If its volume is the volume of cone, the height at which the section is made is ________.
Choices
Choice (4)  Response  

a.  39.3 cm 

b.  37.1 cm 

c.  27.6 cm 

d.  22.9 cm 

Question number: 572
» Mathematics » Arithmetic Progressions
Question
Find a positive integral solution to the equation
Choices
Choice (4)  Response  

a.  110 

b.  116 

c.  115 

d.  240 

Question number: 573
» Mathematics » Arithmetic Progressions
Question
If the and terms of an AP are P, Q and R respectively, then = ________.
Choices
Choice (4)  Response  

a.  pqr 

b. 


c.  0 

d.  1 
