NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 186  193 of 1484
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Question number: 186
Question
Which of the following expression is a rational expression?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 187
Question
If P (x) = , Q (x) = and their HCF is then LCM of P (x) and Q (x) is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 188
Question
If is a factor of , then
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 189
» Mathematics » Surface Area and Volumes
Question
If the radii of the circular ends of a conical bucket are 28 cm and 14 cm and the height is 35 cm. The capacity of the bucket is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 190
» Mathematics » Surface Area and Volumes
Question
The area of the base of a cone is 1386 sq cm. Its height is 20 cm. Then its total surface area is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 191
Question
The sum of and its reciprocal is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 192
Question
The product of and is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 193
» Mathematics » Arithmetic Progressions
Question
In a geometric sequence of real numbers, the sum of the first two terms is 16 and the sum of the first six terms is 496. The sum of the first four terms is
Choices
Choice (4)  Response  

a.  96  
b.  78  
c.  88  
d.  62 