NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 546  552 of 1484
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Question number: 546
Question
If f (x) = and g (x) = have a common factor, then =
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 547
Question
If are the factors of then the other factor is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 548
» Mathematics » Arithmetic Progressions
Question
A man saves Rs. 100 in a certain year and in each year thereafter he saves Rs. 40 more than the preceding year. In how many years will his total savings amount to Rs. 20,400?
Choices
Choice (4)  Response  

a.  29 years  
b.  23 years  
c.  30 years  
d.  25 years 
Question number: 549
» Mathematics » Surface Area and Volumes
Question
A piece of metal pipe is 154 cm long with inside diameter of the cross section as 8 cm. If the outer diameter is 9 cm and the metal weighs the weight of pipe is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 550
» Mathematics » Quadratic Equations
Question
If , then 16x equals
Choices
Choice (4)  Response  

a.  0  
b.   2  
c.  52  
d. 

Question number: 551
» Mathematics » Arithmetic Progressions
Question
A circle with area is contained in the interior of a larger circle with area . If the radius of the larger circle is 6 and are in AP, then the radius of the smaller circle is
Choices
Choice (4)  Response  

a. 
 
b.  1  
c. 
 
d. 

Question number: 552
» Mathematics » Arithmetic Progressions
Question
If the mth term of an AP is and its nth term be , then its term is
Choices
Choice (4)  Response  

a.  0  
b.  1  
c. 
 
d.  None of the above 