NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 221  226 of 1484
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Question number: 221
» Mathematics » Arithmetic Progressions
Question
The sum of the first 60 positive integers exactly divisible by 9 is
Choices
Choice (4)  Response  

a.  18510 

b.  21530 

c.  12490 

d.  16470 

Question number: 222
» Mathematics » Surface Area and Volumes
Question
Liquid is full in a hemisphere of inner radius 9 cm. This is to be poured into cylindrical bottles of diameter 3 cm and height 4 cm. The number of bottles required are ________.
Choices
Choice (4)  Response  

a.  81 

b.  27 

c.  18 

d.  54 

Question number: 223
Question
If then = ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 224
» Mathematics » Quadratic Equations
Question
The roots of the equation can be obtained graphically by finding the abscissas of the pointing of intersection of each of the following pairs of equations except
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 225
Question
If ‘a’ and ‘b’ are unequal and and have a common factor, then = ________.
Choices
Choice (4)  Response  

a.   1 

b.  0 

c.  1 

d.  2 

Question number: 226
Question
= ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 
