NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 333  339 of 1484
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Question number: 333
Question
If and then = ________.
Choices
Choice (4)  Response  

a.  2 

b. 


c.  2a 

d.  None of the above 

Question number: 334
» Mathematics » Quadratic Equations
Question
In the equation the roots are equal when
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 335
» Mathematics » Surface Area and Volumes
Question
The lateral surface area of a right circular cylinder with base radius 28 cm and height 10 cm is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 336
» Mathematics » Arithmetic Progressions
Question
In a geometric sequence of real numbers, the sum of the first two terms is 7 and the sum of the first six terms is 399. The sum of the first four terms is
Choices
Choice (4)  Response  

a.  56 

b.  63 

c.  14 

d.  49 

Question number: 337
Question
What should be added to to get ?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 338
Question
If then = ________.
Choices
Choice (4)  Response  

a. 


b.  0 

c. 


d.  All of the above 

Question number: 339
Question
Find ‘a’ and ‘b’ in order that may be exactly divisible by .
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

