NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 553  559 of 1484
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Question number: 553
Question
For the expression , if and . Find the value of a, b and c
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 554
» Mathematics » Arithmetic Progressions
Question
The sum of 20 terms of is
Choices
Choice (4)  Response  

a.  420. log3 

b.  log210 

c.  210. log3 

d.  log20 

Question number: 555
Question
Find the value of ‘k’ if the expression p (x) = and q (x) = leave the same remainder when divided by .
Choices
Choice (4)  Response  

a.   1 

b.   2 

c.  3 

d.  2 

Question number: 556
» Mathematics » Surface Area and Volumes
Question
A cone of radius 20 cm is divided into two parts by drawing a plane through the midpoints of its axis, parallel to its base. The ratio of volumes of the two parts formed is ________.
Choices
Choice (4)  Response  

a.  6: 1 

b.  1: 7 

c.  1: 14 

d.  9: 1 

Question number: 557
Question
If and then = ________.
Choices
Choice (4)  Response  

a. 


b.  2p 

c.  2 

d.  All of the above 

Question number: 558
» Mathematics » Quadratic Equations
Question
The difference of the roots of is
Choices
Choice (4)  Response  

a.  23 

b. 


c.   3 

d.  None of the above 

Question number: 559
» Mathematics » Coordinate Geometry
Question
and are three vertices of the parallelogram ABCD. The coordinates of the fourth vertex is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

