NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 233  240 of 1484
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Question number: 233
» Mathematics » Quadratic Equations
Question
The roots of are
Choices
Choice (4)  Response  

a.  1,2 and 3  
b.  3  
c.  0 and 3  
d.  0, 1, 2 and 3 
Question number: 234
Question
If is divisible by then ________.
Choices
Choice (4)  Response  

a. 
 
b.  Either or  
c.  Neither nor  
d. 

Question number: 235
» Mathematics » Arithmetic Progressions
Question
A man saves Rs. 150 in a certain year and in each year thereafter he saves Rs. 50 more than the preceding year. In how many years will his total savings amount to Rs. 18,750?
Choices
Choice (4)  Response  

a.  29 years  
b.  30 years  
c.  23 years  
d.  25 years 
Question number: 236
» Mathematics » Coordinate Geometry
Question
If and are the midpoints of the sides of , the area of the triangle is ________.
Choices
Choice (4)  Response  

a.  48 sq units  
b.  24 sq units  
c.  6 sq units  
d.  12 sq units 
Question number: 237
Question
If f (x) = and g (x) = have a common factor, then =
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 238
» Mathematics » Arithmetic Progressions
Question
The first four terms of an arithmetic sequence are 2x, a, 6x, b. The ratio of a to b is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 239
» Mathematics » Arithmetic Progressions
Question
If and the sequence x, y and x, y each are in AP, then = ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  1 
Question number: 240
Question
= .
Choices
Choice (4)  Response  

a.  True  
b. 
 
c.  False  
d.  None of the above 