NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 402  408 of 1484
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Question number: 402
» Mathematics » Quadratic Equations
Question
The equation has
Choices
Choice (4)  Response  

a.  Two imaginary roots 

b.  One real root 

c.  Two real roots 

d.  One real and one imaginary root 

Question number: 403
» Mathematics » Arithmetic Progressions
Question
The nth term in the series
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 404
» Mathematics » Arithmetic Progressions
Question
The first four terms of an arithmetic sequence are p, 2x, q, 4x. The ratio of p to q is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 405
Question
Express in lowest terms.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 406
» Mathematics » Surface Area and Volumes
Question
From a circle of radius 15 cm a sector with angle is cut out and its bounding radii are bent so as to form a cone. Then its volume is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 407
» 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 6 m, the height of cylindrical part is 3.2 m and the total height of the tent is 7.2 m. The canvas required for the tent is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 408
» Mathematics » Quadratic Equations
Question
If , then the value of x is
Choices
Choice (4)  Response  

a.  1 or 6 

b.  1 or 6 

c.  5 or 4 

d.  3 or 5 
