NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 348  353 of 1484
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Question number: 348
» Mathematics » Surface Area and Volumes
Question
The height of a cone is 15 cm. A small cone is cut off at the top by a plane parallel to the base. If its volume is the volume of cone, the height at which the section is made is ________.
Choices
Choice (4)  Response  

a.  9.79 cm 

b.  7.79 cm 

c.  7.97 cm 

d.  9.97 cm 

Question number: 349
» Mathematics » Surface Area and Volumes
Question
Ratio of lateral surface areas of two cylinders with equal heights and radius of 6 cm and 3 cm respectively is
Choices
Choice (4)  Response  

a.  1: 5 

b.  2: 1 

c.  1: 2 

d.  Question does not provide sufficient data or is vague 

Question number: 350
» Mathematics » Arithmetic Progressions
Question
The first four terms of an arithmetic sequence are a, x, b, 2x. The ratio of a to b is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 351
Question
If is exactly divisible by , then p = ________.
Choices
Choice (4)  Response  

a.  16 

b.   1 

c.  4 

d.  None of the above 

Question number: 352
» Mathematics » Arithmetic Progressions
Question
The sum of 10 terms of is
Choices
Choice (4)  Response  

a.  110. log2 

b.  log10 

c.  55. log2 

d.  log55 

Question number: 353
Question
If then = ________.
Choices
Choice (4)  Response  

a. 


b. 


c.  1 

d.  Question does not provide sufficient data or is vague 
