NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 285  293 of 1484
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Question number: 285
Question
= ________.
Choices
Choice (4)  Response  

a.  1  
b. 
 
c. 
 
d.  None of the above 
Question number: 286
» Mathematics » Arithmetic Progressions
Question
If the term of an AP is ‘n’ and term is ‘m’, then its term is
Choices
Choice (4)  Response  

a. 
 
b.  0  
c.  mn  
d. 

Question number: 287
» Mathematics » Arithmetic Progressions
Question
If the AM of ‘a’ and ‘b’ is then the value of n is
Choices
Choice (4)  Response  

a. 
 
b.  0  
c.  1  
d.  1 
Question number: 288
» Mathematics » Surface Area and Volumes
Question
A hollow sphere of internal and external diameters 16 cm and 32 cm respectively is melted into a cone of base diameter 32 cm. Find the height of the cone.
Choices
Choice (4)  Response  

a.  56 cm  
b.  7 cm  
c.  14 cm  
d.  28 cm 
Question number: 289
Question
The value of , if is exactly divisible by is
Choices
Choice (4)  Response  

a.   9  
b.  19  
c.  169  
d.  8 
Question number: 290
» Mathematics » Arithmetic Progressions
Question
The sum of all integers between 40 and 340 which end in 1 is
Choices
Choice (4)  Response  

a.  5580  
b.  5280  
c.  4820  
d.  6250 
Question number: 291
» Mathematics » Quadratic Equations
Question
The roots of the equation will be reciprocal if
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 292
Question
Find the value of “a” and “b” so that and may be factors of .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 293
» Mathematics » Arithmetic Progressions
Question
In an AP, the sum of 3 numbers is 9 and their product is 15. Then the three numbers are
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
