NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 317  325 of 1484
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Question number: 317
Question
The product of and is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 318
Question
is divisible by when ‘n’ is ________.
Choices
Choice (4)  Response  

a.  An odd number  
b.  A natural number  
c.  An even number  
d.  A prime number 
Question number: 319
» Mathematics » Arithmetic Progressions
Question
In an AP, the sum of 3 numbers is 18 and their product is 162. Then the three numbers are
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 320
» Mathematics » Surface Area and Volumes
Question
Ratio of volumes of two cylinders with equal heights and radius of 3 cm and 2 cm respectively is
Choices
Choice (4)  Response  

a.  3: 2  
b.  9: 4  
c.  9: 2  
d.  None of the above 
Question number: 321
Question
The product of two consecutive numbers is 42. Find them.
Choices
Choice (4)  Response  

a.  6,7  
b.  6,7  
c.  21, 2  
d.  6, 7 
Question number: 322
Question
Find ‘a’ and ‘b’ in order that may be exactly divisible by .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 323
Question
________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  1  
d.  None of the above 
Question number: 324
Question
There are four polynomials P (x), Q (x), R (x) and S (x). If the HCF of each pair is and the LCM of all four polynomial is then the product of four polynomials is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 325
» Mathematics » Arithmetic Progressions
Question
The nth term of the series is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  n  
d. 
