NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 638  640 of 1484
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Question number: 638
» Mathematics » Triangles
Question
From the given figure the value of x is ________ if .
Choices
Choice (4)  Response  

a.  24 

b.  21 

c.  13 

d.  42 

Question number: 639
» Mathematics » Quadratic Equations
Question
The roots of the equation are integers, if ________.
Choices
Choice (4)  Response  

a. 


b.  b and c are integers 

c.  b and c are even integers 

d.  is the square of an integer and b is an integer 

Question number: 640
» Mathematics » Triangles
Question
In the bisector of intersects BC in M. If BM: MC = 5: 15 and AB = 2.5 cm then AC = ________.
Choices
Choice (4)  Response  

a.  7.5 cm 

b.  2.5 cm 

c.  5 cm 

d.  3 cm 
