NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 623  630 of 1484
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Question number: 623
» Mathematics » Quadratic Equations
Question
If then the value of x in terms of a and b is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 624
» Mathematics » Coordinate Geometry
Question
Area of triangle enclosed between the coordinate axes with vertices and is ________.
Choices
Choice (4)  Response  

a.  10 sq units  
b.  15 sq units  
c.  5 sq units  
d.  5 sq units 
Question number: 625
» Mathematics » Quadratic Equations
Question
The roots of are
Choices
Choice (4)  Response  

a.  5 and 3  
b.  3 and 5  
c.  3 only  
d.  5 only 
Question number: 626
Question
If ‘a’ and ‘b’ are unequal and and have a common factor, then = ________.
Choices
Choice (4)  Response  

a.  1  
b.  2  
c.   1  
d.  0 
Question number: 627
» Mathematics » Coordinate Geometry
Question
The coordinates of the center of a circle passing through and is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 628
» Mathematics » Coordinate Geometry
Question
The coordinates of the center of a circle passing through and is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 629
Question
If a coin is tossed twice, the probability of getting at least one head is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 630
» Mathematics » Triangles
Question
In , then x = ________.
Choices
Choice (4)  Response  

a.  9  
b.  12  
c.  6  
d.  81 